From 1a8cfefa4def58f069c74f296bcec4b8dc24c295 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Thu, 13 Jun 2024 21:09:49 +0600
Subject: [PATCH 01/12] start 14.0.2

---
 CHANGELOG.md      | 2 ++
 gradle.properties | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9aa353a4eb..b63525f89a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # TelegramBotAPI changelog
 
+## 14.0.2
+
 ## 14.0.1
 
 * In `core` and `api` modules related to invoices changed their APIs to suite current API
diff --git a/gradle.properties b/gradle.properties
index bf9769c9e5..64f19b9f36 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,4 +6,4 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 library_group=dev.inmo
-library_version=14.0.1
+library_version=14.0.2

From 97836c5f4e4bcc81b21a998a659cfdb621ed7252 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Thu, 13 Jun 2024 21:32:04 +0600
Subject: [PATCH 02/12] rewrite createSubContextAndDoWithUpdatesFilter and
 doInContext to work with supervisor scope

---
 .../api/tgbotapi.behaviour_builder.api        |  7 +++--
 .../behaviour_builder/BehaviourContext.kt     | 26 +++++++------------
 .../triggers_handling/MainTrigger.kt          |  4 +--
 3 files changed, 14 insertions(+), 23 deletions(-)

diff --git a/tgbotapi.behaviour_builder/api/tgbotapi.behaviour_builder.api b/tgbotapi.behaviour_builder/api/tgbotapi.behaviour_builder.api
index 17d4107dc5..7a5cf4894c 100644
--- a/tgbotapi.behaviour_builder/api/tgbotapi.behaviour_builder.api
+++ b/tgbotapi.behaviour_builder/api/tgbotapi.behaviour_builder.api
@@ -36,10 +36,9 @@ public final class dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourConte
 	public static final fun CustomBehaviourContextReceiver (Lkotlin/jvm/functions/Function2;)Lkotlin/jvm/functions/Function2;
 	public static final fun createSubContext (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;Lkotlinx/coroutines/CoroutineScope;Ldev/inmo/tgbotapi/extensions/behaviour_builder/utils/handlers_registrar/TriggersHolder;Lkotlinx/coroutines/flow/Flow;)Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;
 	public static synthetic fun createSubContext$default (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;Lkotlinx/coroutines/CoroutineScope;Ldev/inmo/tgbotapi/extensions/behaviour_builder/utils/handlers_registrar/TriggersHolder;Lkotlinx/coroutines/flow/Flow;ILjava/lang/Object;)Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;
-	public static final fun createSubContextAndDoWithUpdatesFilter (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;Lkotlinx/coroutines/CoroutineScope;Ldev/inmo/tgbotapi/extensions/behaviour_builder/utils/handlers_registrar/TriggersHolder;Lkotlinx/coroutines/flow/Flow;ZLkotlin/jvm/functions/Function2;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
-	public static synthetic fun createSubContextAndDoWithUpdatesFilter$default (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;Lkotlinx/coroutines/CoroutineScope;Ldev/inmo/tgbotapi/extensions/behaviour_builder/utils/handlers_registrar/TriggersHolder;Lkotlinx/coroutines/flow/Flow;ZLkotlin/jvm/functions/Function2;Lkotlin/coroutines/Continuation;ILjava/lang/Object;)Ljava/lang/Object;
-	public static final fun doInContext (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;ZLkotlin/jvm/functions/Function2;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
-	public static synthetic fun doInContext$default (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;ZLkotlin/jvm/functions/Function2;Lkotlin/coroutines/Continuation;ILjava/lang/Object;)Ljava/lang/Object;
+	public static final fun createSubContextAndDoWithUpdatesFilter (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;Ldev/inmo/tgbotapi/extensions/behaviour_builder/utils/handlers_registrar/TriggersHolder;Lkotlinx/coroutines/flow/Flow;Lkotlin/jvm/functions/Function2;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
+	public static synthetic fun createSubContextAndDoWithUpdatesFilter$default (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;Ldev/inmo/tgbotapi/extensions/behaviour_builder/utils/handlers_registrar/TriggersHolder;Lkotlinx/coroutines/flow/Flow;Lkotlin/jvm/functions/Function2;Lkotlin/coroutines/Continuation;ILjava/lang/Object;)Ljava/lang/Object;
+	public static final fun doInContext (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;Lkotlin/jvm/functions/Function2;Lkotlin/coroutines/Continuation;)Ljava/lang/Object;
 	public static final fun stop (Ldev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext;)V
 }
 
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
index 56b3448981..331de9ca6d 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
@@ -132,39 +132,33 @@ fun <BC : BehaviourContext> BC.createSubContext(
 
 /**
  * Launch [behaviourContextReceiver] in context of [this] as [BehaviourContext] and as [kotlin.coroutines.CoroutineContext]
- *
- * @param stopOnCompletion ___FALSE BY DEFAULT___. Will stop [this] in case if passed true
  */
 suspend fun <T, BC : BehaviourContext> BC.doInContext(
-    stopOnCompletion: Boolean = false,
     behaviourContextReceiver: CustomBehaviourContextReceiver<BC, T>
 ): T {
     return withContext(coroutineContext) {
-        behaviourContextReceiver().also { if (stopOnCompletion) stop() }
+        behaviourContextReceiver()
     }
 }
 
 /**
  * Creates new one [BehaviourContext] using [createSubContext] and launches [behaviourContextReceiver] in a new context
  * using [doInContext]
- *
- * @param stopOnCompletion ___TRUE BY DEFAULT___
  */
 suspend fun <T, BC : BehaviourContext> BC.createSubContextAndDoWithUpdatesFilter(
-    scope: CoroutineScope = LinkedSupervisorScope(),
     triggersHolder: TriggersHolder = this.triggersHolder,
     updatesUpstreamFlow: Flow<Update> = allUpdatesFlow,
-    stopOnCompletion: Boolean = true,
     behaviourContextReceiver: CustomBehaviourContextReceiver<BC, T>
 ): T {
-    return createSubContext(
-        scope,
-        triggersHolder,
-        updatesUpstreamFlow
-    ).doInContext(
-        stopOnCompletion,
-        behaviourContextReceiver
-    )
+    return supervisorScope {
+        createSubContext(
+            scope = this,
+            triggersHolder = triggersHolder,
+            updatesUpstreamFlow = updatesUpstreamFlow
+        ).doInContext(
+            behaviourContextReceiver = behaviourContextReceiver
+        )
+    }
 }
 
 /**
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
index 80c386c70c..73819a7fec 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
@@ -30,9 +30,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T> BC.on(
     scope,
     { markerFactory(it.second) }
 ) { (update, triggerData) ->
-    createSubContextAndDoWithUpdatesFilter(
-        stopOnCompletion = false
-    ) {
+    createSubContextAndDoWithUpdatesFilter {
         if (subcontextUpdatesFilter ?.invoke(this, triggerData, update) != false) {
             scenarioReceiver(triggerData)
         }

From 91a8058a3aa2a2b3729ea4ec2a9e6d3b17a99eba Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Thu, 13 Jun 2024 22:24:16 +0600
Subject: [PATCH 03/12] try to support nullable marker factory

---
 .../BusinessConnectionTriggers.kt             |  6 +-
 .../CallbackQueryTriggers.kt                  | 34 +++----
 .../CallbackQueryTriggersUnhandled.kt         |  6 +-
 .../ChatBoostRemovedTriggers.kt               |  2 +-
 .../ChatBoostUpdatedTriggers.kt               |  2 +-
 .../ChatJoinRequestTriggers.kt                |  2 +-
 .../ChatMemberUpdatedTriggers.kt              |  8 +-
 ...sageReactionCountUpdatedUpdatesTriggers.kt |  2 +-
 ...atMessageReactionUpdatedUpdatesTriggers.kt |  8 +-
 .../ChosenInlineResultTriggers.kt             |  8 +-
 .../triggers_handling/CommandHandling.kt      | 38 ++++----
 .../CommandHandlingUnhandled.kt               |  8 +-
 .../triggers_handling/ContentTriggers.kt      | 62 ++++++-------
 .../triggers_handling/DeepLinkHandling.kt     |  6 +-
 .../DeletedBusinessMessagesTriggers.kt        |  2 +-
 .../EditedContentTriggers.kt                  | 44 +++++-----
 .../triggers_handling/EventTriggers.kt        | 88 +++++++++----------
 .../triggers_handling/InlineQueryTriggers.kt  |  8 +-
 .../triggers_handling/MainTrigger.kt          | 28 ++++--
 .../MediaGroupMessagesTriggers.kt             | 16 ++--
 .../triggers_handling/MediaGroupTriggers.kt   | 16 ++--
 .../triggers_handling/MentionTriggers.kt      | 72 +++++++--------
 .../triggers_handling/PassportTriggers.kt     |  4 +-
 .../triggers_handling/PollAnswersTriggers.kt  |  4 +-
 .../triggers_handling/PollUpdatesTriggers.kt  |  8 +-
 .../PreCheckoutQueryTriggers.kt               |  2 +-
 .../ShippingQueryTriggers.kt                  |  2 +-
 27 files changed, 249 insertions(+), 237 deletions(-)

diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt
index 68c0386e46..45e61d0995 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt
@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onBusinessConnection(
     initialFilter: SimpleFilter<BusinessConnection>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessConnection, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessConnection, Any> = ByUserBusinessConnectionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessConnection, Any>? = ByUserBusinessConnectionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessConnection>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.businessConnectionUpdateOrNull() ?.data) ?.let(::listOfNotNull)
@@ -48,7 +48,7 @@ suspend fun <BC : BehaviourContext> BC.onBusinessConnection(
 suspend fun <BC : BehaviourContext> BC.onBusinessConnectionEnabled(
     initialFilter: SimpleFilter<BusinessConnection.Enabled>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessConnection.Enabled, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessConnection.Enabled, Any> = ByUserBusinessConnectionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessConnection.Enabled, Any>? = ByUserBusinessConnectionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessConnection.Enabled>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.businessConnectionUpdateOrNull() ?.data ?.enabledOrNull()) ?.let(::listOfNotNull)
@@ -68,7 +68,7 @@ suspend fun <BC : BehaviourContext> BC.onBusinessConnectionEnabled(
 suspend fun <BC : BehaviourContext> BC.onBusinessConnectionDisabled(
     initialFilter: SimpleFilter<BusinessConnection.Disabled>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessConnection.Disabled, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessConnection.Disabled, Any> = ByUserBusinessConnectionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessConnection.Disabled, Any>? = ByUserBusinessConnectionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessConnection.Disabled>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.businessConnectionUpdateOrNull() ?.data ?.disabledOrNull()) ?.let(::listOfNotNull)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt
index c2ca912858..15822ace95 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt
@@ -18,7 +18,7 @@ import kotlinx.coroutines.Job
 internal suspend inline fun <BC : BehaviourContext, reified T : CallbackQuery> BC.onCallbackQuery(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in T, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserCallbackQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.callbackQueryUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -39,7 +39,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : CallbackQuery> B
 internal suspend inline fun <BC : BehaviourContext, reified T : DataCallbackQuery> BC.onDataCallbackQueryCounted(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in T, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserCallbackQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ): Job {
     val newInitialFilter = SimpleFilter<DataCallbackQuery> {
@@ -81,7 +81,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : DataCallbackQuer
 suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onDataCallbackQueryCounted(
     initialFilter,
@@ -108,7 +108,7 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
     dataRegex: Regex,
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onDataCallbackQuery(
     initialFilter = initialFilter * {
@@ -136,7 +136,7 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
     data: String,
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onDataCallbackQuery(
     Regex(data),
@@ -161,7 +161,7 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onGameShortNameCallbackQuery(
     initialFilter: SimpleFilter<GameShortNameCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GameShortNameCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in GameShortNameCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in GameShortNameCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GameShortNameCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -185,7 +185,7 @@ suspend fun <BC : BehaviourContext> BC.onGameShortNameCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onInlineMessageIdCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -209,7 +209,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onDataCallbackQueryCounted(
     initialFilter,
@@ -236,7 +236,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
     dataRegex: Regex,
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onInlineMessageIdDataCallbackQuery(
     initialFilter = initialFilter * {
@@ -264,7 +264,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
     data: String,
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onInlineMessageIdDataCallbackQuery(
     Regex(data),
@@ -289,7 +289,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onInlineMessageIdGameShortNameCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdGameShortNameCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdGameShortNameCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdGameShortNameCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdGameShortNameCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdGameShortNameCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -313,7 +313,7 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdGameShortNameCallbackQue
 suspend fun <BC : BehaviourContext> BC.onMessageCallbackQuery(
     initialFilter: SimpleFilter<MessageCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -337,7 +337,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onDataCallbackQueryCounted(
     initialFilter,
@@ -364,7 +364,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
     dataRegex: Regex,
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onMessageDataCallbackQuery(
     initialFilter = initialFilter * {
@@ -392,7 +392,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
     data: String,
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onMessageDataCallbackQuery(
     Regex(data),
@@ -417,7 +417,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onMessageGameShortNameCallbackQuery(
     initialFilter: SimpleFilter<MessageGameShortNameCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageGameShortNameCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageGameShortNameCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageGameShortNameCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageGameShortNameCallbackQuery>
 ) = onCallbackQuery(
     initialFilter,
@@ -441,7 +441,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageGameShortNameCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onUnknownCallbackQueryType(
     initialFilter: SimpleFilter<UnknownCallbackQueryType>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, UnknownCallbackQueryType, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in UnknownCallbackQueryType, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in UnknownCallbackQueryType, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, UnknownCallbackQueryType>
 ) = onCallbackQuery(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt
index 22f4fd4bdb..8b8d2ad746 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt
@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.utils.PreviewFeature
 suspend fun <BC : BehaviourContext> BC.onUnhandledDataCallbackQuery(
     initialFilter: SimpleFilter<DataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in DataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in DataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DataCallbackQuery>
 ) = onCallbackQuery (
     initialFilter * !SimpleFilter<MessageDataCallbackQuery> { triggersHolder.handleableCallbackQueriesDataHolder.isHandled(it) },
@@ -52,7 +52,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledDataCallbackQuery(
 suspend fun <BC : BehaviourContext> BC.onUnhandledInlineMessageIdDataCallbackQuery(
     initialFilter: SimpleFilter<InlineMessageIdDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineMessageIdDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineMessageIdDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineMessageIdDataCallbackQuery>
 ) = onCallbackQuery (
     initialFilter * !SimpleFilter<InlineMessageIdDataCallbackQuery> { triggersHolder.handleableCallbackQueriesDataHolder.isHandled(it) },
@@ -77,7 +77,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledInlineMessageIdDataCallbackQue
 suspend fun <BC : BehaviourContext> BC.onUnhandledMessageDataCallbackQuery(
     initialFilter: SimpleFilter<MessageDataCallbackQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MessageDataCallbackQuery, Update>? = CallbackQueryFilterByUser,
-    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any> = ByUserCallbackQueryMarkerFactory,
+    markerFactory: MarkerFactory<in MessageDataCallbackQuery, Any>? = ByUserCallbackQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MessageDataCallbackQuery>
 ) = onCallbackQuery(
     initialFilter * !SimpleFilter<MessageDataCallbackQuery> { triggersHolder.handleableCallbackQueriesDataHolder.isHandled(it) },
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt
index 3dae6f99ef..1812aef540 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt
@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatBoostRemoved(
     initialFilter: SimpleFilter<ChatBoostRemoved>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatBoostRemoved, Update>? = null,
-    markerFactory: MarkerFactory<ChatBoostRemoved, Any> = ByIdChatBoostRemovedMarkerFactory,
+    markerFactory: MarkerFactory<ChatBoostRemoved, Any>? = ByIdChatBoostRemovedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatBoostRemoved>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatBoostRemovedUpdateOrNull() ?.data) ?.let(::listOfNotNull)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt
index 5e94dab7ce..6695cfceff 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt
@@ -27,7 +27,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatBoostUpdated(
     initialFilter: SimpleFilter<ChatBoostUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatBoostUpdated, Update>? = null,
-    markerFactory: MarkerFactory<ChatBoostUpdated, Any> = ByIdChatBoostUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatBoostUpdated, Any>? = ByIdChatBoostUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatBoostUpdated>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatBoostUpdatedUpdateOrNull() ?.data) ?.let(::listOfNotNull)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt
index 21cbd37159..523b169545 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt
@@ -25,7 +25,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatJoinRequest(
     initialFilter: SimpleFilter<ChatJoinRequest>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatJoinRequest, Update>? = null,
-    markerFactory: MarkerFactory<in ChatJoinRequest, Any> = ByChatChatJoinRequestMarkerFactory,
+    markerFactory: MarkerFactory<in ChatJoinRequest, Any>? = ByChatChatJoinRequestMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatJoinRequest>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatJoinRequestUpdateOrNull() ?.data) ?.let(::listOfNotNull)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt
index bdfec02d1a..1bcd9497bc 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt
@@ -17,7 +17,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified U : ChatMemberUpdatedUpdate> BC.onChatMemberUpdatedInternal(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     ((it as? U) ?.data) ?.let(::listOfNotNull)
@@ -39,7 +39,7 @@ internal suspend inline fun <BC : BehaviourContext, reified U : ChatMemberUpdate
 suspend fun <BC : BehaviourContext> BC.onChatMemberUpdated(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = onChatMemberUpdatedInternal<BC, ChatMemberUpdatedUpdate>(
     initialFilter,
@@ -63,7 +63,7 @@ suspend fun <BC : BehaviourContext> BC.onChatMemberUpdated(
 suspend fun <BC : BehaviourContext> BC.onCommonChatMemberUpdated(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = onChatMemberUpdatedInternal<BC, CommonChatMemberUpdatedUpdate>(
     initialFilter,
@@ -87,7 +87,7 @@ suspend fun <BC : BehaviourContext> BC.onCommonChatMemberUpdated(
 suspend fun <BC : BehaviourContext> BC.onMyChatMemberUpdated(
     initialFilter: SimpleFilter<ChatMemberUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMemberUpdated, Update>? = ChatMemberUpdatedFilterByChat,
-    markerFactory: MarkerFactory<ChatMemberUpdated, Any> = ByChatChatMemberUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMemberUpdated, Any>? = ByChatChatMemberUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMemberUpdated>
 ) = onChatMemberUpdatedInternal<BC, MyChatMemberUpdatedUpdate>(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt
index 9db5e94a07..e8d2f101c3 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt
@@ -31,7 +31,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionsCountUpdated(
     initialFilter: SimpleFilter<ChatMessageReactionsCountUpdated>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionsCountUpdated, Update>? = null,
-    markerFactory: MarkerFactory<ChatMessageReactionsCountUpdated, Any> = ByChatIdChatMessageReactionsCountUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<ChatMessageReactionsCountUpdated, Any>? = ByChatIdChatMessageReactionsCountUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionsCountUpdated>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatMessageReactionsCountUpdatedUpdateOrNull() ?.data) ?.let(::listOfNotNull)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt
index fcad229211..0afe522f72 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt
@@ -15,7 +15,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : ChatMessageReactionUpdated> BC.onChatMessageReactionUpdated(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
-    markerFactory: MarkerFactory<in T, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chatMessageReactionUpdatedUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -36,7 +36,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatMessageReact
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByUser(
     initialFilter: SimpleFilter<ChatMessageReactionUpdated.ByUser>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionUpdated.ByUser, Update>? = null,
-    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByUser, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByUser, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionUpdated.ByUser>
 ) = onChatMessageReactionUpdated(
     initialFilter,
@@ -60,7 +60,7 @@ suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByUser(
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByChat(
     initialFilter: SimpleFilter<ChatMessageReactionUpdated.ByChat>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionUpdated.ByChat, Update>? = null,
-    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByChat, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.ByChat, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionUpdated.ByChat>
 ) = onChatMessageReactionUpdated(
     initialFilter,
@@ -84,7 +84,7 @@ suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByChat(
 suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedUnknown(
     initialFilter: SimpleFilter<ChatMessageReactionUpdated.Unknown>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatMessageReactionUpdated.Unknown, Update>? = null,
-    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.Unknown, Any> = ByChatIdChatMessageReactionUpdatedMarkerFactory,
+    markerFactory: MarkerFactory<in ChatMessageReactionUpdated.Unknown, Any>? = ByChatIdChatMessageReactionUpdatedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatMessageReactionUpdated.Unknown>
 ) = onChatMessageReactionUpdated(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt
index b4f7a00dfa..8a6729febc 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt
@@ -13,7 +13,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : ChosenInlineResult> BC.onChosenInlineResultBase(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
-    markerFactory: MarkerFactory<in T, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.chosenInlineResultUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -34,7 +34,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChosenInlineResu
 suspend fun <BC : BehaviourContext> BC.onChosenInlineResult(
     initialFilter: SimpleFilter<ChosenInlineResult>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChosenInlineResult, Update>? = null,
-    markerFactory: MarkerFactory<in ChosenInlineResult, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in ChosenInlineResult, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChosenInlineResult>
 ) = onChosenInlineResultBase(
     initialFilter,
@@ -58,7 +58,7 @@ suspend fun <BC : BehaviourContext> BC.onChosenInlineResult(
 suspend fun <BC : BehaviourContext> BC.onLocationChosenInlineResult(
     initialFilter: SimpleFilter<LocationChosenInlineResult>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationChosenInlineResult, Update>? = null,
-    markerFactory: MarkerFactory<in LocationChosenInlineResult, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in LocationChosenInlineResult, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationChosenInlineResult>
 ) = onChosenInlineResultBase(
     initialFilter,
@@ -82,7 +82,7 @@ suspend fun <BC : BehaviourContext> BC.onLocationChosenInlineResult(
 suspend fun <BC : BehaviourContext> BC.onBaseChosenInlineResult(
     initialFilter: SimpleFilter<BaseChosenInlineResult>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BaseChosenInlineResult, Update>? = null,
-    markerFactory: MarkerFactory<in BaseChosenInlineResult, Any> = ByUserIdChosenInlineResultMarkerFactory,
+    markerFactory: MarkerFactory<in BaseChosenInlineResult, Any>? = ByUserIdChosenInlineResultMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BaseChosenInlineResult>
 ) = onChosenInlineResultBase(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt
index bad353d964..f3044bb2aa 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt
@@ -25,7 +25,7 @@ internal suspend fun <BC : BehaviourContext> BC.commandUncounted(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onText(
     CommonMessageFilter<TextContent> { message ->
@@ -52,7 +52,7 @@ suspend fun <BC : BehaviourContext> BC.command(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = runCatchingSafely {
     commandUncounted(
@@ -81,7 +81,7 @@ suspend fun <BC : BehaviourContext> BC.command(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = command(command.toRegex(), requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -90,7 +90,7 @@ suspend fun <BC : BehaviourContext> BC.command(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = command(botCommand.command, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -99,7 +99,7 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = command(commandRegex, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -108,7 +108,7 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onCommand(command.toRegex(), requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -117,7 +117,7 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onCommand(botCommand.command, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -125,7 +125,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ) = command(
@@ -146,7 +146,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ) = commandWithArgs(
@@ -162,7 +162,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ) = commandWithArgs(
@@ -178,7 +178,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -200,7 +200,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -218,7 +218,7 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -236,7 +236,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ): Job = commandWithArgs(
@@ -252,7 +252,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ): Job = onCommandWithArgs(
@@ -268,7 +268,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Array<String>>
 ): Job = onCommandWithArgs(
@@ -284,7 +284,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -302,7 +302,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
@@ -320,7 +320,7 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     argsSeparator: Regex = TelegramBotCommandsDefaults.defaultArgsSeparatorRegex,
     nameArgSeparator: Regex = TelegramBotCommandsDefaults.defaultNamesArgsSeparatorRegex,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, List<Pair<String, String>>>
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt
index de00275251..57abb71ea4 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt
@@ -21,7 +21,7 @@ suspend fun <BC : BehaviourContext> BC.unhandledCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onText(
     CommonMessageFilter<TextContent> { message ->
@@ -49,7 +49,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledCommand(
     requireOnlyCommandInMessage: Boolean = true,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = unhandledCommand(requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -57,7 +57,7 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledCommand(
 suspend fun <BC : BehaviourContext> BC.unhandledCommandWithArgs(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Map<String, Array<String>>>
 ) = onUnhandledCommand(
     requireOnlyCommandInMessage = false,
@@ -75,6 +75,6 @@ suspend fun <BC : BehaviourContext> BC.unhandledCommandWithArgs(
 suspend fun <BC : BehaviourContext> BC.onUnhandledCommandWithArgs(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTwoTypesReceiver<BC, Unit, TextMessage, Map<String, Array<String>>>
 ): Job = unhandledCommandWithArgs(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
index 5d66a1ed66..17745ea21b 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
@@ -20,7 +20,7 @@ typealias CommonMessageFilter<T> = SimpleFilter<CommonMessage<T>>
 internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent> BC.onContentMessageWithType(
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     when (it) {
@@ -47,7 +47,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
 suspend fun <BC : BehaviourContext> BC.onContentMessage(
     initialFilter: CommonMessageFilter<MessageContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MessageContent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MessageContent>>
 ) = onContentMessageWithType(
     initialFilter,
@@ -71,7 +71,7 @@ suspend fun <BC : BehaviourContext> BC.onContentMessage(
 suspend fun <BC : BehaviourContext> BC.onContact(
     initialFilter: CommonMessageFilter<ContactContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ContactMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ContactMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ContactMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ContactMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -95,7 +95,7 @@ suspend fun <BC : BehaviourContext> BC.onContact(
 suspend fun <BC : BehaviourContext> BC.onDice(
     initialFilter: CommonMessageFilter<DiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DiceMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -119,7 +119,7 @@ suspend fun <BC : BehaviourContext> BC.onDice(
 suspend fun <BC : BehaviourContext> BC.onGame(
     initialFilter: CommonMessageFilter<GameContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GameMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in GameMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in GameMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GameMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -143,7 +143,7 @@ suspend fun <BC : BehaviourContext> BC.onGame(
 suspend fun <BC : BehaviourContext> BC.onLocation(
     initialFilter: CommonMessageFilter<LocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in LocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in LocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -167,7 +167,7 @@ suspend fun <BC : BehaviourContext> BC.onLocation(
 suspend fun <BC : BehaviourContext> BC.onLiveLocation(
     initialFilter: CommonMessageFilter<LiveLocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LiveLocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in LiveLocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in LiveLocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LiveLocationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -191,7 +191,7 @@ suspend fun <BC : BehaviourContext> BC.onLiveLocation(
 suspend fun <BC : BehaviourContext> BC.onStaticLocation(
     initialFilter: CommonMessageFilter<StaticLocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StaticLocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StaticLocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StaticLocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StaticLocationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -215,7 +215,7 @@ suspend fun <BC : BehaviourContext> BC.onStaticLocation(
 suspend fun <BC : BehaviourContext> BC.onPoll(
     initialFilter: CommonMessageFilter<PollContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PollMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PollMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PollMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PollMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -239,7 +239,7 @@ suspend fun <BC : BehaviourContext> BC.onPoll(
 suspend fun <BC : BehaviourContext> BC.onText(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -263,7 +263,7 @@ suspend fun <BC : BehaviourContext> BC.onText(
 suspend fun <BC : BehaviourContext> BC.onStory(
     initialFilter: CommonMessageFilter<StoryContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StoryMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StoryMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StoryMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StoryMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -287,7 +287,7 @@ suspend fun <BC : BehaviourContext> BC.onStory(
 suspend fun <BC : BehaviourContext> BC.onTextedContent(
     initialFilter: CommonMessageFilter<TextedContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextedMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextedMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextedMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextedMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -311,7 +311,7 @@ suspend fun <BC : BehaviourContext> BC.onTextedContent(
 suspend fun <BC : BehaviourContext> BC.onVenue(
     initialFilter: CommonMessageFilter<VenueContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VenueMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VenueMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VenueMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VenueMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -335,7 +335,7 @@ suspend fun <BC : BehaviourContext> BC.onVenue(
 suspend fun <BC : BehaviourContext> BC.onAudioMediaGroup(
     initialFilter: CommonMessageFilter<AudioMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMediaGroupMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -359,7 +359,7 @@ suspend fun <BC : BehaviourContext> BC.onAudioMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onDocumentMediaGroupContent(
     initialFilter: CommonMessageFilter<DocumentMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMediaGroupMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -383,7 +383,7 @@ suspend fun <BC : BehaviourContext> BC.onDocumentMediaGroupContent(
 suspend fun <BC : BehaviourContext> BC.onTextedMediaContent(
     initialFilter: CommonMessageFilter<TextedMediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextedMediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextedMediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextedMediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextedMediaMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -407,7 +407,7 @@ suspend fun <BC : BehaviourContext> BC.onTextedMediaContent(
 suspend fun <BC : BehaviourContext> BC.onMediaCollection(
     initialFilter: CommonMessageFilter<MediaCollectionContent<TelegramMediaFile>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaCollectionMessage<TelegramMediaFile>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaCollectionMessage<TelegramMediaFile>>
 ) = onContentMessageWithType(
     initialFilter,
@@ -431,7 +431,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaCollection(
 suspend fun <BC : BehaviourContext> BC.onMedia(
     initialFilter: CommonMessageFilter<MediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -455,7 +455,7 @@ suspend fun <BC : BehaviourContext> BC.onMedia(
 suspend fun <BC : BehaviourContext> BC.onAnimation(
     initialFilter: CommonMessageFilter<AnimationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AnimationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AnimationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AnimationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AnimationMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -479,7 +479,7 @@ suspend fun <BC : BehaviourContext> BC.onAnimation(
 suspend fun <BC : BehaviourContext> BC.onAudio(
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -503,7 +503,7 @@ suspend fun <BC : BehaviourContext> BC.onAudio(
 suspend fun <BC : BehaviourContext> BC.onDocument(
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -527,7 +527,7 @@ suspend fun <BC : BehaviourContext> BC.onDocument(
 suspend fun <BC : BehaviourContext> BC.onPhoto(
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PhotoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PhotoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PhotoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PhotoMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -551,7 +551,7 @@ suspend fun <BC : BehaviourContext> BC.onPhoto(
 suspend fun <BC : BehaviourContext> BC.onSticker(
     initialFilter: CommonMessageFilter<StickerContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StickerMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StickerMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StickerMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StickerMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -575,7 +575,7 @@ suspend fun <BC : BehaviourContext> BC.onSticker(
 suspend fun <BC : BehaviourContext> BC.onVideo(
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -599,7 +599,7 @@ suspend fun <BC : BehaviourContext> BC.onVideo(
 suspend fun <BC : BehaviourContext> BC.onVideoNote(
     initialFilter: CommonMessageFilter<VideoNoteContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoNoteMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoNoteMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoNoteMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoNoteMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -623,7 +623,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoNote(
 suspend fun <BC : BehaviourContext> BC.onVoice(
     initialFilter: CommonMessageFilter<VoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VoiceMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -647,7 +647,7 @@ suspend fun <BC : BehaviourContext> BC.onVoice(
 suspend fun <BC : BehaviourContext> BC.onInvoice(
     initialFilter: CommonMessageFilter<InvoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InvoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in InvoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in InvoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InvoiceMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -671,7 +671,7 @@ suspend fun <BC : BehaviourContext> BC.onInvoice(
 suspend fun <BC : BehaviourContext> BC.onVisualContent(
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VisualMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VisualMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VisualMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VisualMediaGroupMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -695,7 +695,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualContent(
 suspend fun <BC : BehaviourContext> BC.onMediaContent(
     initialFilter: CommonMessageFilter<MediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -719,7 +719,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaContent(
 suspend fun <BC : BehaviourContext> BC.onGiveawayContent(
     initialFilter: CommonMessageFilter<GiveawayContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ScheduledGiveawayContentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ScheduledGiveawayContentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ScheduledGiveawayContentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ScheduledGiveawayContentMessage>
 ) = onContentMessageWithType(
     initialFilter,
@@ -744,7 +744,7 @@ suspend fun <BC : BehaviourContext> BC.onGiveawayContent(
 suspend fun <BC : BehaviourContext> BC.onGiveawayPublicResultsContent(
     initialFilter: CommonMessageFilter<GiveawayPublicResultsContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GiveawayPublicResultsContentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in GiveawayPublicResultsContentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in GiveawayPublicResultsContentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GiveawayPublicResultsContentMessage>
 ) = onContentMessageWithType(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt
index 91b1f03872..d56faac244 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt
@@ -21,7 +21,7 @@ private val startRegex = Regex("start")
 suspend fun <BC : BehaviourContext> BC.onDeepLink(
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Pair<TextMessage, String>, Update>? = { (message, _), update -> MessageFilterByChat(this, message, update) },
-    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any> = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
+    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any>? = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Pair<TextMessage, String>>
 ): Job = on(
     markerFactory,
@@ -47,7 +47,7 @@ suspend fun <BC : BehaviourContext> BC.onDeepLink(
     regex: Regex,
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Pair<TextMessage, String>, Update>? = { (message, _), update -> MessageFilterByChat(this, message, update) },
-    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any> = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
+    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any>? = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Pair<TextMessage, String>>
 ): Job {
     val internalFilter = SimpleFilter<Pair<TextMessage, String>> {
@@ -60,6 +60,6 @@ suspend fun <BC : BehaviourContext> BC.onDeepLink(
     deepLink: String,
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Pair<TextMessage, String>, Update>? = { (message, _), update -> MessageFilterByChat(this, message, update) },
-    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any> = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
+    markerFactory: MarkerFactory<Pair<TextMessage, String>, Any>? = MarkerFactory { (message, _) -> ByChatMessageMarkerFactory(message) },
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Pair<TextMessage, String>>
 ): Job = onDeepLink(Regex("^$deepLink$"), initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt
index 3e5b2be96a..61be99d40f 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt
@@ -30,7 +30,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onBusinessMessagesDeleted(
     initialFilter: SimpleFilter<BusinessMessagesDeleted>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BusinessMessagesDeleted, Update>? = null,
-    markerFactory: MarkerFactory<in BusinessMessagesDeleted, Any> = ByBusinessConnectionIdBusinessMessagesDeletedMarkerFactory,
+    markerFactory: MarkerFactory<in BusinessMessagesDeleted, Any>? = ByBusinessConnectionIdBusinessMessagesDeletedMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BusinessMessagesDeleted>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.deletedBusinessMessageUpdateOrNull() ?.data) ?.let(::listOfNotNull)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt
index 1978e5540f..0663a3313d 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt
@@ -17,7 +17,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent> BC.onEditedContent(
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     it.baseEditMessageUpdateOrNull() ?.data ?.withContent<T>() ?.let(::listOfNotNull)
@@ -39,7 +39,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
 suspend fun <BC : BehaviourContext> BC.onEditedContentMessage(
     initialFilter: CommonMessageFilter<MessageContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MessageContent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CommonMessage<MessageContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MessageContent>>
 )= onEditedContent(
     initialFilter,
@@ -63,7 +63,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedContentMessage(
 suspend fun <BC : BehaviourContext> BC.onEditedContact(
     initialFilter: CommonMessageFilter<ContactContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ContactMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ContactMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ContactMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ContactMessage>
 )= onEditedContent(
     initialFilter,
@@ -87,7 +87,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedContact(
 suspend fun <BC : BehaviourContext> BC.onEditedDice(
     initialFilter: CommonMessageFilter<DiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DiceMessage>
 )= onEditedContent(
     initialFilter,
@@ -111,7 +111,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedDice(
 suspend fun <BC : BehaviourContext> BC.onEditedGame(
     initialFilter: CommonMessageFilter<GameContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, GameMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in GameMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in GameMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, GameMessage>
 )= onEditedContent(
     initialFilter,
@@ -135,7 +135,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedGame(
 suspend fun <BC : BehaviourContext> BC.onEditedLocation(
     initialFilter: CommonMessageFilter<LocationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in LocationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in LocationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationMessage>
 )= onEditedContent(
     initialFilter,
@@ -159,7 +159,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedLocation(
 suspend fun <BC : BehaviourContext> BC.onEditedText(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 )= onEditedContent(
     initialFilter,
@@ -183,7 +183,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedText(
 suspend fun <BC : BehaviourContext> BC.onEditedVenue(
     initialFilter: CommonMessageFilter<VenueContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VenueMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VenueMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VenueMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VenueMessage>
 )= onEditedContent(
     initialFilter,
@@ -207,7 +207,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVenue(
 suspend fun <BC : BehaviourContext> BC.onEditedAudioMediaGroup(
     initialFilter: CommonMessageFilter<AudioMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMediaGroupMessage>
 )= onEditedContent(
     initialFilter,
@@ -231,7 +231,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedAudioMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onEditedDocumentMediaGroupContent(
     initialFilter: CommonMessageFilter<DocumentMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMediaGroupMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMediaGroupMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMediaGroupMessage>
 )= onEditedContent(
     initialFilter,
@@ -255,7 +255,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedDocumentMediaGroupContent(
 suspend fun <BC : BehaviourContext> BC.onEditedTextedMediaContent(
     initialFilter: CommonMessageFilter<TextedMediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, TextedMediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in TextedMediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in TextedMediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextedMediaMessage>
 )= onEditedContent(
     initialFilter,
@@ -279,7 +279,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedTextedMediaContent(
 suspend fun <BC : BehaviourContext> BC.onEditedMediaCollection(
     initialFilter: CommonMessageFilter<MediaCollectionContent<TelegramMediaFile>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaCollectionMessage<TelegramMediaFile>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaCollectionMessage<TelegramMediaFile>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaCollectionMessage<TelegramMediaFile>>
 )= onEditedContent(
     initialFilter,
@@ -303,7 +303,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedMediaCollection(
 suspend fun <BC : BehaviourContext> BC.onEditedMedia(
     initialFilter: CommonMessageFilter<MediaContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in MediaMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaMessage>
 )= onEditedContent(
     initialFilter,
@@ -327,7 +327,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedMedia(
 suspend fun <BC : BehaviourContext> BC.onEditedAnimation(
     initialFilter: CommonMessageFilter<AnimationContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AnimationMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AnimationMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AnimationMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AnimationMessage>
 )= onEditedContent(
     initialFilter,
@@ -351,7 +351,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedAnimation(
 suspend fun <BC : BehaviourContext> BC.onEditedAudio(
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, AudioMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in AudioMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in AudioMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, AudioMessage>
 )= onEditedContent(
     initialFilter,
@@ -375,7 +375,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedAudio(
 suspend fun <BC : BehaviourContext> BC.onEditedDocument(
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, DocumentMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in DocumentMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in DocumentMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, DocumentMessage>
 )= onEditedContent(
     initialFilter,
@@ -399,7 +399,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedDocument(
 suspend fun <BC : BehaviourContext> BC.onEditedPhoto(
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PhotoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PhotoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PhotoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PhotoMessage>
 )= onEditedContent(
     initialFilter,
@@ -423,7 +423,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedPhoto(
 suspend fun <BC : BehaviourContext> BC.onEditedSticker(
     initialFilter: CommonMessageFilter<StickerContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, StickerMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in StickerMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in StickerMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, StickerMessage>
 )= onEditedContent(
     initialFilter,
@@ -447,7 +447,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedSticker(
 suspend fun <BC : BehaviourContext> BC.onEditedVideo(
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoMessage>
 )= onEditedContent(
     initialFilter,
@@ -471,7 +471,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVideo(
 suspend fun <BC : BehaviourContext> BC.onEditedVideoNote(
     initialFilter: CommonMessageFilter<VideoNoteContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VideoNoteMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VideoNoteMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VideoNoteMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VideoNoteMessage>
 )= onEditedContent(
     initialFilter,
@@ -495,7 +495,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVideoNote(
 suspend fun <BC : BehaviourContext> BC.onEditedVoice(
     initialFilter: CommonMessageFilter<VoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, VoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in VoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in VoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, VoiceMessage>
 )= onEditedContent(
     initialFilter,
@@ -519,7 +519,7 @@ suspend fun <BC : BehaviourContext> BC.onEditedVoice(
 suspend fun <BC : BehaviourContext> BC.onEditedInvoice(
     initialFilter: CommonMessageFilter<InvoiceContent>? = CommonMessageFilterExcludeMediaGroups,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InvoiceMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in InvoiceMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in InvoiceMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InvoiceMessage>
 )= onEditedContent(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
index eb60a8b17f..47f188ca40 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
@@ -33,7 +33,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent> BC.onEvent(
     initialFilter: SimpleFilter<ChatEventMessage<T>>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<T>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     @Suppress("UNCHECKED_CAST")
@@ -43,7 +43,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent> BC.on
 internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent, reified CEM : ChatEventMessage<T>> BC.onEventWithCustomChatEventMessage(
     initialFilter: SimpleFilter<CEM>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CEM, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in CEM, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in CEM, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CEM>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     @Suppress("UNCHECKED_CAST")
@@ -65,7 +65,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent, reifi
 suspend fun <BC : BehaviourContext> BC.onChannelEvent(
     initialFilter: SimpleFilter<ChatEventMessage<ChannelEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChannelEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChannelEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChannelEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChannelEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -84,7 +84,7 @@ suspend fun <BC : BehaviourContext> BC.onChannelEvent(
 suspend fun <BC : BehaviourContext> BC.onPrivateEvent(
     initialFilter: SimpleFilter<ChatEventMessage<PrivateEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<PrivateEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<PrivateEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<PrivateEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<PrivateEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -103,7 +103,7 @@ suspend fun <BC : BehaviourContext> BC.onPrivateEvent(
 suspend fun <BC : BehaviourContext> BC.onChatEvent(
     initialFilter: SimpleFilter<ChatEventMessage<ChatEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChatEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChatEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -122,7 +122,7 @@ suspend fun <BC : BehaviourContext> BC.onChatEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -141,7 +141,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatStartedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatStarted>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatStarted>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatStarted>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatStarted>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatStarted>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -160,7 +160,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatStartedEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatEndedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatEnded>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatEnded>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEnded>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatEnded>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatEnded>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -179,7 +179,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatEndedEvent(
 suspend fun <BC : BehaviourContext> BC.onVideoChatParticipantsInvitedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<VideoChatParticipantsInvited>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<VideoChatParticipantsInvited>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatParticipantsInvited>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<VideoChatParticipantsInvited>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<VideoChatParticipantsInvited>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -198,7 +198,7 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatParticipantsInvitedEvent(
 suspend fun <BC : BehaviourContext> BC.onMessageAutoDeleteTimerChangedEvent(
     initialFilter: SimpleFilter<ChatEventMessage<MessageAutoDeleteTimerChanged>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<MessageAutoDeleteTimerChanged>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<MessageAutoDeleteTimerChanged>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<MessageAutoDeleteTimerChanged>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<MessageAutoDeleteTimerChanged>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -217,7 +217,7 @@ suspend fun <BC : BehaviourContext> BC.onMessageAutoDeleteTimerChangedEvent(
 suspend fun <BC : BehaviourContext> BC.onPublicChatEvent(
     initialFilter: SimpleFilter<ChatEventMessage<PublicChatEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<PublicChatEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<PublicChatEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<PublicChatEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<PublicChatEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -236,7 +236,7 @@ suspend fun <BC : BehaviourContext> BC.onPublicChatEvent(
 suspend fun <BC : BehaviourContext> BC.onCommonEvent(
     initialFilter: SimpleFilter<ChatEventMessage<CommonEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<CommonEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<CommonEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<CommonEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<CommonEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -255,7 +255,7 @@ suspend fun <BC : BehaviourContext> BC.onCommonEvent(
 suspend fun <BC : BehaviourContext> BC.onGroupEvent(
     initialFilter: SimpleFilter<ChatEventMessage<GroupEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<GroupEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GroupEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GroupEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<GroupEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -274,7 +274,7 @@ suspend fun <BC : BehaviourContext> BC.onGroupEvent(
 suspend fun <BC : BehaviourContext> BC.onSupergroupEvent(
     initialFilter: SimpleFilter<ChatEventMessage<SupergroupEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<SupergroupEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<SupergroupEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -293,7 +293,7 @@ suspend fun <BC : BehaviourContext> BC.onSupergroupEvent(
 suspend fun <BC : BehaviourContext> BC.onChannelChatCreated(
     initialFilter: SimpleFilter<ChatEventMessage<ChannelChatCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChannelChatCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChannelChatCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChannelChatCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChannelChatCreated>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -312,7 +312,7 @@ suspend fun <BC : BehaviourContext> BC.onChannelChatCreated(
 suspend fun <BC : BehaviourContext> BC.onDeleteChatPhoto(
     initialFilter: SimpleFilter<ChatEventMessage<DeleteChatPhoto>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<DeleteChatPhoto>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<DeleteChatPhoto>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<DeleteChatPhoto>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<DeleteChatPhoto>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -331,7 +331,7 @@ suspend fun <BC : BehaviourContext> BC.onDeleteChatPhoto(
 suspend fun <BC : BehaviourContext> BC.onGroupChatCreated(
     initialFilter: SimpleFilter<ChatEventMessage<GroupChatCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<GroupChatCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GroupChatCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GroupChatCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<GroupChatCreated>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -350,7 +350,7 @@ suspend fun <BC : BehaviourContext> BC.onGroupChatCreated(
 suspend fun <BC : BehaviourContext> BC.onLeftChatMember(
     initialFilter: SimpleFilter<ChatEventMessage<LeftChatMemberEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<LeftChatMemberEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<LeftChatMemberEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<LeftChatMemberEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<LeftChatMemberEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -369,7 +369,7 @@ suspend fun <BC : BehaviourContext> BC.onLeftChatMember(
 suspend fun <BC : BehaviourContext> BC.onNewChatMembers(
     initialFilter: SimpleFilter<ChatEventMessage<NewChatMembers>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<NewChatMembers>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<NewChatMembers>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<NewChatMembers>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<NewChatMembers>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -388,7 +388,7 @@ suspend fun <BC : BehaviourContext> BC.onNewChatMembers(
 suspend fun <BC : BehaviourContext> BC.onNewChatPhoto(
     initialFilter: SimpleFilter<ChatEventMessage<NewChatPhoto>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<NewChatPhoto>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<NewChatPhoto>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<NewChatPhoto>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<NewChatPhoto>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -407,7 +407,7 @@ suspend fun <BC : BehaviourContext> BC.onNewChatPhoto(
 suspend fun <BC : BehaviourContext> BC.onNewChatTitle(
     initialFilter: SimpleFilter<ChatEventMessage<NewChatTitle>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<NewChatTitle>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<NewChatTitle>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<NewChatTitle>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<NewChatTitle>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -426,7 +426,7 @@ suspend fun <BC : BehaviourContext> BC.onNewChatTitle(
 suspend fun <BC : BehaviourContext> BC.onPinnedMessage(
     initialFilter: SimpleFilter<ChatEventMessage<PinnedMessage>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<PinnedMessage>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<PinnedMessage>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<PinnedMessage>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<PinnedMessage>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -445,7 +445,7 @@ suspend fun <BC : BehaviourContext> BC.onPinnedMessage(
 suspend fun <BC : BehaviourContext> BC.onProximityAlertTriggered(
     initialFilter: SimpleFilter<ChatEventMessage<ProximityAlertTriggered>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ProximityAlertTriggered>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ProximityAlertTriggered>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ProximityAlertTriggered>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ProximityAlertTriggered>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -464,7 +464,7 @@ suspend fun <BC : BehaviourContext> BC.onProximityAlertTriggered(
 suspend fun <BC : BehaviourContext> BC.onSupergroupChatCreated(
     initialFilter: SimpleFilter<ChatEventMessage<SupergroupChatCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<SupergroupChatCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupChatCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<SupergroupChatCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<SupergroupChatCreated>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -486,7 +486,7 @@ suspend fun <BC : BehaviourContext> BC.onSupergroupChatCreated(
 suspend fun <BC : BehaviourContext> BC.onSuccessfulPayment(
     initialFilter: SimpleFilter<ChatEventMessage<SuccessfulPaymentEvent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<SuccessfulPaymentEvent>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<SuccessfulPaymentEvent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<SuccessfulPaymentEvent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<SuccessfulPaymentEvent>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -505,7 +505,7 @@ suspend fun <BC : BehaviourContext> BC.onSuccessfulPayment(
 suspend fun <BC : BehaviourContext> BC.onUserLoggedIn(
     initialFilter: SimpleFilter<ChatEventMessage<UserLoggedIn>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<UserLoggedIn>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<UserLoggedIn>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<UserLoggedIn>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<UserLoggedIn>>
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -524,7 +524,7 @@ suspend fun <BC : BehaviourContext> BC.onUserLoggedIn(
 suspend fun <BC : BehaviourContext> BC.onWebAppData(
     initialFilter: SimpleFilter<PrivateEventMessage<WebAppData>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<WebAppData>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WebAppData>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WebAppData>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<WebAppData>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -543,7 +543,7 @@ suspend fun <BC : BehaviourContext> BC.onWebAppData(
 suspend fun <BC : BehaviourContext> BC.onForumTopicClosed(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicClosed>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicClosed>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicClosed>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicClosed>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicClosed>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -562,7 +562,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicClosed(
 suspend fun <BC : BehaviourContext> BC.onForumTopicCreated(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicCreated>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicCreated>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicCreated>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicCreated>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicCreated>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -581,7 +581,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicCreated(
 suspend fun <BC : BehaviourContext> BC.onForumTopicReopened(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicReopened>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicReopened>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicReopened>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicReopened>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicReopened>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -601,7 +601,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicReopened(
 suspend fun <BC : BehaviourContext> BC.onForumTopicEdited(
     initialFilter: SimpleFilter<SupergroupEventMessage<ForumTopicEdited>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<ForumTopicEdited>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicEdited>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ForumTopicEdited>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<ForumTopicEdited>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -620,7 +620,7 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicEdited(
 suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicHidden(
     initialFilter: SimpleFilter<SupergroupEventMessage<GeneralForumTopicHidden>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<GeneralForumTopicHidden>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicHidden>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicHidden>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<GeneralForumTopicHidden>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -639,7 +639,7 @@ suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicHidden(
 suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicUnhidden(
     initialFilter: SimpleFilter<SupergroupEventMessage<GeneralForumTopicUnhidden>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, SupergroupEventMessage<GeneralForumTopicUnhidden>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicUnhidden>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<GeneralForumTopicUnhidden>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, SupergroupEventMessage<GeneralForumTopicUnhidden>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -659,7 +659,7 @@ suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicUnhidden(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowed(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -679,7 +679,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowed(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromRequest(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.FromRequest>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.FromRequest>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromRequest>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromRequest>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.FromRequest>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -699,7 +699,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromRequest(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromAttachmentMenu(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.FromAttachmentMenu>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -719,7 +719,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromAttachmentMenu(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedOther(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.Other>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.Other>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.Other>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.Other>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.Other>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -739,7 +739,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedOther(
 suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromWebAppLink(
     initialFilter: SimpleFilter<ChatEventMessage<WriteAccessAllowed.FromWebAppLink>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<WriteAccessAllowed.FromWebAppLink>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromWebAppLink>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<WriteAccessAllowed.FromWebAppLink>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<WriteAccessAllowed.FromWebAppLink>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -760,7 +760,7 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromWebAppLink(
 suspend fun <BC : BehaviourContext> BC.onChatSharedRequest(
     initialFilter: SimpleFilter<PrivateEventMessage<ChatSharedRequest>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<ChatSharedRequest>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatSharedRequest>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatSharedRequest>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<ChatSharedRequest>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -780,7 +780,7 @@ suspend fun <BC : BehaviourContext> BC.onChatSharedRequest(
 suspend fun <BC : BehaviourContext> BC.onUsersShared(
     initialFilter: SimpleFilter<PrivateEventMessage<UsersShared>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<UsersShared>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<UsersShared>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -800,7 +800,7 @@ suspend fun <BC : BehaviourContext> BC.onUsersShared(
 suspend fun <BC : BehaviourContext> BC.onUserShared(
     initialFilter: SimpleFilter<PrivateEventMessage<UsersShared>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<UsersShared>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<UsersShared>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<UsersShared>>
 ) = onUsersShared(initialFilter * { it.chatEvent.userIds.size == 1 }, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -821,7 +821,7 @@ suspend fun <BC : BehaviourContext> BC.onUserShared(
 suspend fun <BC : BehaviourContext> BC.onChatShared(
     initialFilter: SimpleFilter<PrivateEventMessage<ChatShared>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PrivateEventMessage<ChatShared>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatShared>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatShared>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<ChatShared>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -842,7 +842,7 @@ suspend fun <BC : BehaviourContext> BC.onChatShared(
 suspend fun <BC : BehaviourContext> BC.onChatBoostAdded(
     initialFilter: SimpleFilter<ChatEventMessage<ChatBoostAdded>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChatBoostAdded>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatBoostAdded>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatBoostAdded>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChatBoostAdded>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -862,6 +862,6 @@ suspend fun <BC : BehaviourContext> BC.onChatBoostAdded(
 suspend fun <BC : BehaviourContext> BC.onChatBackgroundSet(
     initialFilter: SimpleFilter<ChatEventMessage<ChatBackground>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ChatEventMessage<ChatBackground>, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in ChatEventMessage<ChatBackground>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in ChatEventMessage<ChatBackground>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChatBackground>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt
index 8106a24084..b81d71c033 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt
@@ -12,7 +12,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : InlineQuery> BC.onInlineQuery(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in T, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByUserInlineQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.inlineQueryUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -33,7 +33,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : InlineQuery> BC.
 suspend fun <BC : BehaviourContext> BC.onAnyInlineQuery(
     initialFilter: SimpleFilter<InlineQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, InlineQuery, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in InlineQuery, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in InlineQuery, Any>? = ByUserInlineQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, InlineQuery>
 ) = onInlineQuery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -53,7 +53,7 @@ suspend fun <BC : BehaviourContext> BC.onAnyInlineQuery(
 suspend fun <BC : BehaviourContext> BC.onBaseInlineQuery(
     initialFilter: SimpleFilter<BaseInlineQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, BaseInlineQuery, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in BaseInlineQuery, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in BaseInlineQuery, Any>? = ByUserInlineQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, BaseInlineQuery>
 ) = onInlineQuery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -73,6 +73,6 @@ suspend fun <BC : BehaviourContext> BC.onBaseInlineQuery(
 suspend fun <BC : BehaviourContext> BC.onLocationInlineQuery(
     initialFilter: SimpleFilter<LocationInlineQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, LocationInlineQuery, Update>? = InlineQueryFilterByUser,
-    markerFactory: MarkerFactory<in LocationInlineQuery, Any> = ByUserInlineQueryMarkerFactory,
+    markerFactory: MarkerFactory<in LocationInlineQuery, Any>? = ByUserInlineQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, LocationInlineQuery>
 ) = onInlineQuery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
index 73819a7fec..5103e4526c 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
@@ -1,5 +1,7 @@
 package dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling
 
+import dev.inmo.micro_utils.coroutines.launchSafelyWithoutExceptions
+import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptions
 import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptionsAsync
 import dev.inmo.tgbotapi.extensions.behaviour_builder.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.expectFlow
@@ -8,7 +10,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.Mar
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
 internal suspend inline fun <BC : BehaviourContext, reified T> BC.on(
-    markerFactory: MarkerFactory<in T, Any>,
+    markerFactory: MarkerFactory<in T, Any>?,
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>,
@@ -26,13 +28,23 @@ internal suspend inline fun <BC : BehaviourContext, reified T> BC.on(
             it to data
         } ?: emptyList()
     }
-).subscribeSafelyWithoutExceptionsAsync(
-    scope,
-    { markerFactory(it.second) }
-) { (update, triggerData) ->
-    createSubContextAndDoWithUpdatesFilter {
-        if (subcontextUpdatesFilter ?.invoke(this, triggerData, update) != false) {
-            scenarioReceiver(triggerData)
+).run {
+    val handler: suspend (Pair<Update, T>) -> Unit = { (update, triggerData) ->
+        createSubContextAndDoWithUpdatesFilter {
+            if (subcontextUpdatesFilter ?.invoke(this, triggerData, update) != false) {
+                scenarioReceiver(triggerData)
+            }
+        }
+    }
+    markerFactory ?.let {
+        subscribeSafelyWithoutExceptionsAsync(
+            scope,
+            { markerFactory(it.second) },
+            block = handler
+        )
+    } ?: subscribeSafelyWithoutExceptions(scope) {
+        scope.launchSafelyWithoutExceptions {
+            handler(it)
         }
     }
 }
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt
index b4f80f4fd5..2f705c4de6 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt
@@ -18,7 +18,7 @@ import dev.inmo.tgbotapi.utils.PreviewFeature
 internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartContent> BC.buildMediaGroupMessagesTrigger(
     initialFilter: SimpleFilter<MediaGroupMessage<T>>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<T>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<T>, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     it.baseSentMessageUpdateOrNull() ?.data ?.commonMessageOrNull() ?.withContentOrNull<MediaGroupContent<*>>() ?.let {
@@ -45,7 +45,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartCo
 suspend fun <BC : BehaviourContext> BC.onMediaGroupMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<MediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<MediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<MediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -64,7 +64,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaGroupMessages(
 suspend fun <BC : BehaviourContext> BC.onPlaylistMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<AudioMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<AudioMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<AudioMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<AudioMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<AudioMediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -83,7 +83,7 @@ suspend fun <BC : BehaviourContext> BC.onPlaylistMessages(
 suspend fun <BC : BehaviourContext> BC.onDocumentsGroupMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<DocumentMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<DocumentMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<DocumentMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<DocumentMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<DocumentMediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -102,7 +102,7 @@ suspend fun <BC : BehaviourContext> BC.onDocumentsGroupMessages(
 suspend fun <BC : BehaviourContext> BC.onVisualGalleryMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<VisualMediaGroupPartContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -121,7 +121,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualGalleryMessages(
 suspend fun <BC : BehaviourContext> BC.onVisualMediaGroupMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<VisualMediaGroupPartContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<VisualMediaGroupPartContent>>
 ) = onVisualGalleryMessages(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -140,7 +140,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualMediaGroupMessages(
 suspend fun <BC : BehaviourContext> BC.onPhotoGalleryMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<PhotoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<PhotoContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<PhotoContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<PhotoContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -159,6 +159,6 @@ suspend fun <BC : BehaviourContext> BC.onPhotoGalleryMessages(
 suspend fun <BC : BehaviourContext> BC.onVideoGalleryMessages(
     initialFilter: SimpleFilter<MediaGroupMessage<VideoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupMessage<VideoContent>, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in MediaGroupMessage<VideoContent>, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupMessage<VideoContent>>
 ) = buildMediaGroupMessagesTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
index 16057119ae..95d2071332 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
@@ -18,7 +18,7 @@ import dev.inmo.tgbotapi.utils.PreviewFeature
 internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartContent> BC.buildMediaGroupTrigger(
     initialFilter: SimpleFilter<MediaGroupContent<T>>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<T>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     it.baseSentMessageUpdateOrNull() ?.data ?.commonMessageOrNull() ?.withContentOrNull<MediaGroupContent<*>>() ?.let {
@@ -45,7 +45,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartCo
 suspend fun <BC : BehaviourContext> BC.onMediaGroup(
     initialFilter: SimpleFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<MediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -64,7 +64,7 @@ suspend fun <BC : BehaviourContext> BC.onMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onPlaylist(
     initialFilter: SimpleFilter<MediaGroupContent<AudioMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<AudioMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<AudioMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<AudioMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<AudioMediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -83,7 +83,7 @@ suspend fun <BC : BehaviourContext> BC.onPlaylist(
 suspend fun <BC : BehaviourContext> BC.onDocumentsGroup(
     initialFilter: SimpleFilter<MediaGroupContent<DocumentMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<DocumentMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<DocumentMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<DocumentMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<DocumentMediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -102,7 +102,7 @@ suspend fun <BC : BehaviourContext> BC.onDocumentsGroup(
 suspend fun <BC : BehaviourContext> BC.onVisualGallery(
     initialFilter: SimpleFilter<MediaGroupContent<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<VisualMediaGroupPartContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -121,7 +121,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualGallery(
 suspend fun <BC : BehaviourContext> BC.onVisualMediaGroup(
     initialFilter: SimpleFilter<MediaGroupContent<VisualMediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<VisualMediaGroupPartContent>>
 ) = onVisualGallery(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -140,7 +140,7 @@ suspend fun <BC : BehaviourContext> BC.onVisualMediaGroup(
 suspend fun <BC : BehaviourContext> BC.onPhotoGallery(
     initialFilter: SimpleFilter<MediaGroupContent<PhotoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<PhotoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<PhotoContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -159,6 +159,6 @@ suspend fun <BC : BehaviourContext> BC.onPhotoGallery(
 suspend fun <BC : BehaviourContext> BC.onVideoGallery(
     initialFilter: SimpleFilter<MediaGroupContent<VideoContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, MediaGroupContent<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in MediaGroupContent<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in MediaGroupContent<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, MediaGroupContent<VideoContent>>
 ) = buildMediaGroupTrigger(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt
index 1acc11d2dc..262371f8da 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt
@@ -29,7 +29,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : TextedContent> B
     username: Username,
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = onContentMessageWithType<BC, T>(
     initialFilter * {
@@ -44,7 +44,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : TextedContent> B
     userId: UserId,
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = onContentMessageWithType<BC, T>(
     initialFilter * {
@@ -59,7 +59,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : TextedContent> B
     user: User,
     initialFilter: CommonMessageFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<T>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<T>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<T>, Any>? = AnyMarkerFactory(),
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = onContentMessageWithType<BC, T>(
     initialFilter * {
@@ -75,7 +75,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnyContent(
     username: Username,
     initialFilter: CommonMessageFilter<TextedContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextedContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -83,7 +83,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnyContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<TextedContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextedContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -91,7 +91,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnyContent(
     user: User,
     initialFilter: CommonMessageFilter<TextedContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextedContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextedContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -101,7 +101,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
     username: Username,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VoiceContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -109,7 +109,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVoiceContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VoiceContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -117,7 +117,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
     user: User,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VoiceContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VoiceContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -127,7 +127,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
     username: Username,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -135,7 +135,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -143,7 +143,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
     user: User,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupContent<MediaGroupPartContent>>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -153,7 +153,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
     username: Username,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -161,7 +161,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupPartContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -169,7 +169,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
     user: User,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<MediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<MediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -179,7 +179,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
     username: Username,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AudioContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -187,7 +187,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAudioContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AudioContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -195,7 +195,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
     user: User,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AudioContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AudioContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -205,7 +205,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithDocumentContent(
     username: Username,
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<DocumentContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -213,7 +213,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithDocumentContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<DocumentContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -221,7 +221,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithDocumentContent(
     user: User,
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<DocumentContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<DocumentContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -231,7 +231,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
     username: Username,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -239,7 +239,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVisualMediaGroupPartCont
     userId: UserId,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -247,7 +247,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
     user: User,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VisualMediaGroupPartContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VisualMediaGroupPartContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -257,7 +257,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
     username: Username,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -265,7 +265,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVideoContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -273,7 +273,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
     user: User,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<VideoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<VideoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -283,7 +283,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(
     username: Username,
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -291,7 +291,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithPhotoContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -299,7 +299,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(
     user: User,
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<PhotoContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<PhotoContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -309,7 +309,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
     username: Username,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AnimationContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -317,7 +317,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnimationContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AnimationContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -325,7 +325,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
     user: User,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<AnimationContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<AnimationContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -335,7 +335,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithTextContent(
     username: Username,
     initialFilter: CommonMessageFilter<TextContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -343,7 +343,7 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithTextContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<TextContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
@@ -351,7 +351,7 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithTextContent(
     user: User,
     initialFilter: CommonMessageFilter<TextContent>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, CommonMessage<TextContent>, Update>? = null,
-    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any> = AnyMarkerFactory(),
+    markerFactory: MarkerFactory<in CommonMessage<TextContent>, Any>? = AnyMarkerFactory(),
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onMention(user, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt
index b4cd034da8..592fec7e31 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt
@@ -14,7 +14,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : EncryptedPassportElement> BC.onPassportMessageWith(
     initialFilter: SimpleFilter<PassportMessage>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PassportMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PassportMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PassportMessage, Any>? = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PassportMessage>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.messageUpdateOrNull() ?.data ?.passportMessageOrNull() ?.takeIf { it.passportData.data.any { it is T } }) ?.let(::listOfNotNull)
@@ -36,7 +36,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : EncryptedPasspor
 suspend fun <BC : BehaviourContext> BC.onPassportMessage(
     initialFilter: SimpleFilter<PassportMessage>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PassportMessage, Update>? = MessageFilterByChat,
-    markerFactory: MarkerFactory<in PassportMessage, Any> = ByChatMessageMarkerFactory,
+    markerFactory: MarkerFactory<in PassportMessage, Any>? = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PassportMessage>
 ) = onPassportMessageWith<BC, EncryptedPassportElement>(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt
index a09639754b..8e9c93f6e7 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt
@@ -13,7 +13,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext> BC.onPollAnswered(
     initialFilter: SimpleFilter<PollAnswer>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PollAnswer, Update>? = null,
-    markerFactory: MarkerFactory<in PollAnswer, Any> = ByIdPollAnswerMarkerFactory,
+    markerFactory: MarkerFactory<in PollAnswer, Any>? = ByIdPollAnswerMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PollAnswer>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.pollAnswerUpdateOrNull() ?.data) ?.let(::listOfNotNull)
@@ -34,7 +34,7 @@ internal suspend inline fun <BC : BehaviourContext> BC.onPollAnswered(
 suspend fun <BC : BehaviourContext> BC.onPollAnswer(
     initialFilter: SimpleFilter<PollAnswer>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PollAnswer, Update>? = null,
-    markerFactory: MarkerFactory<in PollAnswer, Any> = ByIdPollAnswerMarkerFactory,
+    markerFactory: MarkerFactory<in PollAnswer, Any>? = ByIdPollAnswerMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PollAnswer>
 ) = onPollAnswered(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt
index c9098d600d..a0a98a5445 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt
@@ -13,7 +13,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 internal suspend inline fun <BC : BehaviourContext, reified T : Poll> BC.onPollUpdatedBase(
     initialFilter: SimpleFilter<T>? = null,
     noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
-    markerFactory: MarkerFactory<in T, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in T, Any>? = ByIdPollMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.pollUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
@@ -34,7 +34,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : Poll> BC.onPollU
 suspend fun <BC : BehaviourContext> BC.onPollUpdates(
     initialFilter: SimpleFilter<Poll>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, Poll, Update>? = null,
-    markerFactory: MarkerFactory<in Poll, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in Poll, Any>? = ByIdPollMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, Poll>
 ) = onPollUpdatedBase(
     initialFilter,
@@ -58,7 +58,7 @@ suspend fun <BC : BehaviourContext> BC.onPollUpdates(
 suspend fun <BC : BehaviourContext> BC.onRegularPollUpdates(
     initialFilter: SimpleFilter<RegularPoll>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, RegularPoll, Update>? = null,
-    markerFactory: MarkerFactory<in RegularPoll, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in RegularPoll, Any>? = ByIdPollMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, RegularPoll>
 ) = onPollUpdatedBase(
     initialFilter,
@@ -82,7 +82,7 @@ suspend fun <BC : BehaviourContext> BC.onRegularPollUpdates(
 suspend fun <BC : BehaviourContext> BC.onQuizPollUpdates(
     initialFilter: SimpleFilter<QuizPoll>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, QuizPoll, Update>? = null,
-    markerFactory: MarkerFactory<in QuizPoll, Any> = ByIdPollMarkerFactory,
+    markerFactory: MarkerFactory<in QuizPoll, Any>? = ByIdPollMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, QuizPoll>
 ) = onPollUpdatedBase(
     initialFilter,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt
index c53f1ecda0..463ea3e6fd 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt
@@ -28,7 +28,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onPreCheckoutQuery(
     initialFilter: SimpleFilter<PreCheckoutQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, PreCheckoutQuery, Update>? = PreCheckoutQueryFilterByUser,
-    markerFactory: MarkerFactory<in PreCheckoutQuery, Any> = ByUserPreCheckoutQueryMarkerFactory,
+    markerFactory: MarkerFactory<in PreCheckoutQuery, Any>? = ByUserPreCheckoutQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PreCheckoutQuery>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.preCheckoutQueryUpdateOrNull() ?.data) ?.let(::listOfNotNull)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt
index 1f82cf12cb..160ead60f5 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt
@@ -28,7 +28,7 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 suspend fun <BC : BehaviourContext> BC.onShippingQuery(
     initialFilter: SimpleFilter<ShippingQuery>? = null,
     subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, ShippingQuery, Update>? = ShippingQueryFilterByUser,
-    markerFactory: MarkerFactory<in ShippingQuery, Any> = ByUserShippingQueryMarkerFactory,
+    markerFactory: MarkerFactory<in ShippingQuery, Any>? = ByUserShippingQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ShippingQuery>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     (it.shippingQueryUpdateOrNull() ?.data) ?.let(::listOfNotNull)

From 57122cc2f9bd4bd761448a8c3d5a08ff7f38862b Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Fri, 14 Jun 2024 17:28:37 +0600
Subject: [PATCH 04/12] update dependencies

---
 CHANGELOG.md              | 6 ++++++
 gradle/libs.versions.toml | 8 ++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b63525f89a..c722f9c968 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## 14.0.2
 
+* `Version`:
+  * `Coroutines`: `1.8.0` -> `1.8.1`
+  * `Ktor`: `2.3.10` -> `2.3.11`
+  * `MicroUtils`: `0.20.45` -> `0.20.52`
+  * `KSLog`: `1.3.3` -> `1.3.4`
+
 ## 14.0.1
 
 * In `core` and `api` modules related to invoices changed their APIs to suite current API
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7bcca67082..bcf927553e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,19 +2,19 @@
 
 kotlin = "1.9.23"
 kotlin-serialization = "1.6.3"
-kotlin-coroutines = "1.8.0"
+kotlin-coroutines = "1.8.1"
 
 javax-activation = "1.1.1"
 
 korlibs = "5.4.0"
 uuid = "0.8.4"
-ktor = "2.3.10"
+ktor = "2.3.11"
 
 ksp = "1.9.23-1.0.20"
 kotlin-poet = "1.16.0"
 
-microutils = "0.20.45"
-kslog = "1.3.3"
+microutils = "0.20.52"
+kslog = "1.3.4"
 
 versions = "0.51.0"
 

From 86bd5eaa07df6d233be0ff4034c0d5f44ba2eb65 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Fri, 14 Jun 2024 17:33:51 +0600
Subject: [PATCH 05/12] fill changelog and change BehaviourContext updates flow
 subscription mechanism

---
 CHANGELOG.md                                       | 14 ++++++++++----
 .../behaviour_builder/BehaviourContext.kt          |  2 +-
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c722f9c968..d4c098a3fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,10 +3,16 @@
 ## 14.0.2
 
 * `Version`:
-  * `Coroutines`: `1.8.0` -> `1.8.1`
-  * `Ktor`: `2.3.10` -> `2.3.11`
-  * `MicroUtils`: `0.20.45` -> `0.20.52`
-  * `KSLog`: `1.3.3` -> `1.3.4`
+    * `Coroutines`: `1.8.0` -> `1.8.1`
+    * `Ktor`: `2.3.10` -> `2.3.11`
+    * `MicroUtils`: `0.20.45` -> `0.20.52`
+    * `KSLog`: `1.3.3` -> `1.3.4`
+* `BehaviourBuilder`:
+    * `BehaviourContext` updates listening job will be weakly subscribed. It means that `BehaviourContext` scope will
+    not be prevented from cancelling by this job anymore
+    * `BehaviourContext.doInContext` will not stop automatically current `BehaviourContext` job anymore
+    * `BehaviourContext.createSubContextAndDoWithUpdatesFilter` will use `supervisorScope` instead of
+    `LinkedSupervisorScope`. That will prevent scope leaking in runtime
 
 ## 14.0.1
 
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
index 331de9ca6d..d6131aac84 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
@@ -87,7 +87,7 @@ class DefaultBehaviourContext(
         } else {
             it
         }
-    }.accumulatorFlow(scope)
+    }.accumulatorFlow(WeakScope(scope))
     override val asUpdateReceiver: UpdateReceiver<Update> = additionalUpdatesSharedFlow::emit
 
     override fun copy(

From 60fdbb8ac43528be16f90671bb65b9512b0bc337 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Fri, 14 Jun 2024 19:54:06 +0600
Subject: [PATCH 06/12] small improvement in BehaviourContext

---
 .../extensions/behaviour_builder/BehaviourContext.kt      | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
index d6131aac84..1f96aef8cd 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
@@ -132,6 +132,8 @@ fun <BC : BehaviourContext> BC.createSubContext(
 
 /**
  * Launch [behaviourContextReceiver] in context of [this] as [BehaviourContext] and as [kotlin.coroutines.CoroutineContext]
+ *
+ * [this] [BehaviourContext] will **NOT** be closed automatically
  */
 suspend fun <T, BC : BehaviourContext> BC.doInContext(
     behaviourContextReceiver: CustomBehaviourContextReceiver<BC, T>
@@ -152,12 +154,10 @@ suspend fun <T, BC : BehaviourContext> BC.createSubContextAndDoWithUpdatesFilter
 ): T {
     return supervisorScope {
         createSubContext(
-            scope = this,
+            scope = this@supervisorScope,
             triggersHolder = triggersHolder,
             updatesUpstreamFlow = updatesUpstreamFlow
-        ).doInContext(
-            behaviourContextReceiver = behaviourContextReceiver
-        )
+        ).behaviourContextReceiver()
     }
 }
 

From 46c5c62e158d2cf2dedc912f67e7214e10c1214d Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Sat, 15 Jun 2024 12:36:14 +0600
Subject: [PATCH 07/12] rewrite MainTrigger as noinline

---
 .../behaviour_builder/expectations/Base.kt    | 14 +++++++++---
 .../triggers_handling/ContentTriggers.kt      |  3 ++-
 .../triggers_handling/MainTrigger.kt          | 22 +++++++++++--------
 3 files changed, 26 insertions(+), 13 deletions(-)

diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/Base.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/Base.kt
index 0b0eb2c008..8ad99d900e 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/Base.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/Base.kt
@@ -38,7 +38,9 @@ suspend fun <T> FlowsUpdatesFilter.expectFlow(
     filter: suspend (Update) -> List<T>
 ): Flow<T> {
     val flow = allUpdatesFlow.map {
-        val result = safelyWithResult { filter(it) }
+        val result = runCatching {
+            filter(it)
+        }
         if (result.isFailure || result.getOrThrow().isEmpty()) {
             if (cancelTrigger(it)) {
                 cancelRequestFactory(it) ?.also {
@@ -47,14 +49,20 @@ suspend fun <T> FlowsUpdatesFilter.expectFlow(
                 }
             }
             errorFactory(it) ?.also { errorRequest ->
-                safelyWithoutExceptions { bot.execute(errorRequest) }
+                runCatching {
+                    bot.execute(errorRequest)
+                }
             }
             emptyList()
         } else {
             result.getOrThrow()
         }
     }.flatten()
-    initRequest ?.also { safelyWithoutExceptions { bot.execute(initRequest) } }
+    initRequest ?.also {
+        runCatching {
+            bot.execute(initRequest)
+        }
+    }
     return flow
 }
 
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
index 17745ea21b..9af75800eb 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
@@ -9,6 +9,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatMessageMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
 import dev.inmo.tgbotapi.extensions.utils.whenCommonMessage
+import dev.inmo.tgbotapi.extensions.utils.withContentOrNull
 import dev.inmo.tgbotapi.types.files.TelegramMediaFile
 import dev.inmo.tgbotapi.types.message.abstracts.CommonMessage
 import dev.inmo.tgbotapi.types.message.content.*
@@ -27,7 +28,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
         is BaseSentMessageUpdate -> it.data.whenCommonMessage(::listOfNotNull)
         else -> null
     } ?.mapNotNull { message ->
-        if (message.content is T) message as CommonMessage<T> else null
+        message.withContentOrNull<T>()
     }
 }
 
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
index 5103e4526c..1492cacaa1 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MainTrigger.kt
@@ -9,12 +9,12 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
-internal suspend inline fun <BC : BehaviourContext, reified T> BC.on(
+internal suspend fun <BC : BehaviourContext, T> BC.on(
     markerFactory: MarkerFactory<in T, Any>?,
     initialFilter: SimpleFilter<T>? = null,
-    noinline subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
-    noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>,
-    noinline updateToData: (Update) -> List<T>?
+    subcontextUpdatesFilter: CustomBehaviourContextAndTwoTypesReceiver<BC, Boolean, T, Update>? = null,
+    scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>,
+    updateToData: (Update) -> List<T>?
 ) = flowsUpdatesFilter.expectFlow(
     bot,
     filter = initialFilter ?.let {
@@ -24,17 +24,21 @@ internal suspend inline fun <BC : BehaviourContext, reified T> BC.on(
             } ?: emptyList()
         }
     } ?: {
-        updateToData(it) ?.mapNotNull { data ->
+        updateToData(it) ?.map { data ->
             it to data
         } ?: emptyList()
     }
 ).run {
-    val handler: suspend (Pair<Update, T>) -> Unit = { (update, triggerData) ->
-        createSubContextAndDoWithUpdatesFilter {
-            if (subcontextUpdatesFilter ?.invoke(this, triggerData, update) != false) {
-                scenarioReceiver(triggerData)
+    val handler: suspend (Pair<Update, T>) -> Unit = subcontextUpdatesFilter ?.let {
+        { (update, triggerData) ->
+            createSubContextAndDoWithUpdatesFilter {
+                if (subcontextUpdatesFilter(this, triggerData, update)) {
+                    scenarioReceiver(triggerData)
+                }
             }
         }
+    } ?: { (_, triggerData) ->
+        createSubContextAndDoWithUpdatesFilter(behaviourContextReceiver = { scenarioReceiver(triggerData) })
     }
     markerFactory ?.let {
         subscribeSafelyWithoutExceptionsAsync(

From fb2b912f9372673e8f5db7fc4ec5918165b84798 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Sat, 15 Jun 2024 13:05:16 +0600
Subject: [PATCH 08/12] update docs

---
 gradle.properties                             |   2 +-
 .../BusinessConnectionTriggers.kt             |  15 +-
 .../CallbackQueryTriggers.kt                  |  80 ++++---
 .../CallbackQueryTriggersUnhandled.kt         |  15 +-
 .../ChatBoostRemovedTriggers.kt               |   5 +-
 .../ChatBoostUpdatedTriggers.kt               |   5 +-
 .../ChatJoinRequestTriggers.kt                |   5 +-
 .../ChatMemberUpdatedTriggers.kt              |  15 +-
 ...sageReactionCountUpdatedUpdatesTriggers.kt |   5 +-
 ...atMessageReactionUpdatedUpdatesTriggers.kt |  15 +-
 .../ChosenInlineResultTriggers.kt             |  15 +-
 .../triggers_handling/CommandHandling.kt      |  85 +++++++
 .../CommandHandlingUnhandled.kt               |  20 ++
 .../triggers_handling/ContentTriggers.kt      | 150 ++++++++-----
 .../triggers_handling/DeepLinkHandling.kt     |  10 +
 .../DeletedBusinessMessagesTriggers.kt        |   5 +-
 .../EditedContentTriggers.kt                  | 105 +++++----
 .../triggers_handling/EventTriggers.kt        | 210 +++++++++++-------
 .../triggers_handling/InlineQueryTriggers.kt  |  15 +-
 .../MediaGroupMessagesTriggers.kt             |  35 +--
 .../triggers_handling/MediaGroupTriggers.kt   |  35 +--
 .../triggers_handling/MentionTriggers.kt      | 165 ++++++++++++++
 .../triggers_handling/PassportTriggers.kt     |   5 +-
 .../triggers_handling/PollAnswersTriggers.kt  |   5 +-
 .../triggers_handling/PollUpdatesTriggers.kt  |  15 +-
 .../PreCheckoutQueryTriggers.kt               |   5 +-
 .../ShippingQueryTriggers.kt                  |   5 +-
 27 files changed, 740 insertions(+), 307 deletions(-)

diff --git a/gradle.properties b/gradle.properties
index 64f19b9f36..629ddf8b13 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,4 +6,4 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 library_group=dev.inmo
-library_version=14.0.2
+library_version=14.0.2-preview4
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt
index 45e61d0995..d98c162db4 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/BusinessConnectionTriggers.kt
@@ -19,8 +19,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -40,8 +41,9 @@ suspend fun <BC : BehaviourContext> BC.onBusinessConnection(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -60,8 +62,9 @@ suspend fun <BC : BehaviourContext> BC.onBusinessConnectionEnabled(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt
index 15822ace95..07d81d044e 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt
@@ -31,8 +31,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : CallbackQuery> B
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -73,8 +74,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : DataCallbackQuer
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -99,8 +101,9 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -127,8 +130,9 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -153,8 +157,9 @@ suspend fun <BC : BehaviourContext> BC.onDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -177,8 +182,9 @@ suspend fun <BC : BehaviourContext> BC.onGameShortNameCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -201,8 +207,9 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -227,8 +234,9 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -255,8 +263,9 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -281,8 +290,9 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -305,8 +315,9 @@ suspend fun <BC : BehaviourContext> BC.onInlineMessageIdGameShortNameCallbackQue
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -329,8 +340,9 @@ suspend fun <BC : BehaviourContext> BC.onMessageCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -355,8 +367,9 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -383,8 +396,9 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -409,8 +423,9 @@ suspend fun <BC : BehaviourContext> BC.onMessageDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -433,8 +448,9 @@ suspend fun <BC : BehaviourContext> BC.onMessageGameShortNameCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt
index 8b8d2ad746..01fa602bab 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggersUnhandled.kt
@@ -18,8 +18,9 @@ import dev.inmo.tgbotapi.utils.PreviewFeature
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -43,8 +44,9 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledDataCallbackQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -68,8 +70,9 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledInlineMessageIdDataCallbackQue
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt
index 1812aef540..84514846d0 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostRemovedTriggers.kt
@@ -19,8 +19,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt
index 6695cfceff..1dc75a2d41 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatBoostUpdatedTriggers.kt
@@ -19,8 +19,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt
index 523b169545..067c35fa3e 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt
@@ -17,8 +17,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt
index 1bcd9497bc..e963b4651c 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMemberUpdatedTriggers.kt
@@ -31,8 +31,9 @@ internal suspend inline fun <BC : BehaviourContext, reified U : ChatMemberUpdate
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -55,8 +56,9 @@ suspend fun <BC : BehaviourContext> BC.onChatMemberUpdated(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -79,8 +81,9 @@ suspend fun <BC : BehaviourContext> BC.onCommonChatMemberUpdated(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt
index e8d2f101c3..8a172e0906 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionCountUpdatedUpdatesTriggers.kt
@@ -23,8 +23,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt
index 0afe522f72..d822f6bb9d 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatMessageReactionUpdatedUpdatesTriggers.kt
@@ -28,8 +28,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatMessageReact
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -52,8 +53,9 @@ suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByUser(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -76,8 +78,9 @@ suspend fun <BC : BehaviourContext> BC.onChatMessageReactionUpdatedByChat(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt
index 8a6729febc..0d3b24dec6 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt
@@ -26,8 +26,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChosenInlineResu
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -50,8 +51,9 @@ suspend fun <BC : BehaviourContext> BC.onChosenInlineResult(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -74,8 +76,9 @@ suspend fun <BC : BehaviourContext> BC.onLocationChosenInlineResult(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt
index f3044bb2aa..b791581b99 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt
@@ -76,6 +76,11 @@ suspend fun <BC : BehaviourContext> BC.command(
     }
 }.getOrThrow()
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.command(
     command: String,
     requireOnlyCommandInMessage: Boolean = true,
@@ -85,6 +90,11 @@ suspend fun <BC : BehaviourContext> BC.command(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = command(command.toRegex(), requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.command(
     botCommand: BotCommand,
     requireOnlyCommandInMessage: Boolean = true,
@@ -94,6 +104,11 @@ suspend fun <BC : BehaviourContext> BC.command(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ) = command(botCommand.command, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommand(
     commandRegex: Regex,
     requireOnlyCommandInMessage: Boolean = true,
@@ -103,6 +118,11 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = command(commandRegex, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommand(
     command: String,
     requireOnlyCommandInMessage: Boolean = true,
@@ -112,6 +132,11 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onCommand(command.toRegex(), requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommand(
     botCommand: BotCommand,
     requireOnlyCommandInMessage: Boolean = true,
@@ -121,6 +146,11 @@ suspend fun <BC : BehaviourContext> BC.onCommand(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = onCommand(botCommand.command, requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -142,6 +172,11 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     scenarioReceiver(it, args)
 }
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -158,6 +193,11 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -174,6 +214,11 @@ suspend fun <BC : BehaviourContext> BC.commandWithArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -196,6 +241,11 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     scenarioReceiver(it, args)
 }
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -214,6 +264,11 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -232,6 +287,11 @@ suspend fun <BC : BehaviourContext> BC.commandWithNamedArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -248,6 +308,11 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -264,6 +329,11 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -280,6 +350,11 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     commandRegex: Regex,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -298,6 +373,11 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     scenarioReceiver = scenarioReceiver,
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     command: String,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -316,6 +396,11 @@ suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     scenarioReceiver = scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onCommandWithNamedArgs(
     botCommand: BotCommand,
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt
index 57abb71ea4..8eb4a0805d 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt
@@ -16,6 +16,11 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
 import dev.inmo.tgbotapi.utils.PreviewFeature
 import kotlinx.coroutines.Job
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 @PreviewFeature
 suspend fun <BC : BehaviourContext> BC.unhandledCommand(
     requireOnlyCommandInMessage: Boolean = true,
@@ -44,6 +49,11 @@ suspend fun <BC : BehaviourContext> BC.unhandledCommand(
     scenarioReceiver
 )
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 @PreviewFeature
 suspend fun <BC : BehaviourContext> BC.onUnhandledCommand(
     requireOnlyCommandInMessage: Boolean = true,
@@ -53,6 +63,11 @@ suspend fun <BC : BehaviourContext> BC.onUnhandledCommand(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, TextMessage>
 ): Job = unhandledCommand(requireOnlyCommandInMessage, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 @PreviewFeature
 suspend fun <BC : BehaviourContext> BC.unhandledCommandWithArgs(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
@@ -71,6 +86,11 @@ suspend fun <BC : BehaviourContext> BC.unhandledCommandWithArgs(
     scenarioReceiver(it, args)
 }
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 @PreviewFeature
 suspend fun <BC : BehaviourContext> BC.onUnhandledCommandWithArgs(
     initialFilter: CommonMessageFilter<TextContent>? = CommonMessageFilterExcludeMediaGroups,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
index 9af75800eb..32a0d90bb6 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
@@ -40,8 +40,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -64,8 +65,9 @@ suspend fun <BC : BehaviourContext> BC.onContentMessage(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -88,8 +90,9 @@ suspend fun <BC : BehaviourContext> BC.onContact(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -112,8 +115,9 @@ suspend fun <BC : BehaviourContext> BC.onDice(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -136,8 +140,9 @@ suspend fun <BC : BehaviourContext> BC.onGame(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -160,8 +165,9 @@ suspend fun <BC : BehaviourContext> BC.onLocation(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -184,8 +190,9 @@ suspend fun <BC : BehaviourContext> BC.onLiveLocation(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -208,8 +215,9 @@ suspend fun <BC : BehaviourContext> BC.onStaticLocation(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -232,8 +240,9 @@ suspend fun <BC : BehaviourContext> BC.onPoll(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -256,8 +265,9 @@ suspend fun <BC : BehaviourContext> BC.onText(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -280,8 +290,9 @@ suspend fun <BC : BehaviourContext> BC.onStory(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -304,8 +315,9 @@ suspend fun <BC : BehaviourContext> BC.onTextedContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -328,8 +340,9 @@ suspend fun <BC : BehaviourContext> BC.onVenue(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -352,8 +365,9 @@ suspend fun <BC : BehaviourContext> BC.onAudioMediaGroup(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -376,8 +390,9 @@ suspend fun <BC : BehaviourContext> BC.onDocumentMediaGroupContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -400,8 +415,9 @@ suspend fun <BC : BehaviourContext> BC.onTextedMediaContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -424,8 +440,9 @@ suspend fun <BC : BehaviourContext> BC.onMediaCollection(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -448,8 +465,9 @@ suspend fun <BC : BehaviourContext> BC.onMedia(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -472,8 +490,9 @@ suspend fun <BC : BehaviourContext> BC.onAnimation(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -496,8 +515,9 @@ suspend fun <BC : BehaviourContext> BC.onAudio(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -520,8 +540,9 @@ suspend fun <BC : BehaviourContext> BC.onDocument(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -544,8 +565,9 @@ suspend fun <BC : BehaviourContext> BC.onPhoto(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -568,8 +590,9 @@ suspend fun <BC : BehaviourContext> BC.onSticker(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -592,8 +615,9 @@ suspend fun <BC : BehaviourContext> BC.onVideo(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -616,8 +640,9 @@ suspend fun <BC : BehaviourContext> BC.onVideoNote(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -640,8 +665,9 @@ suspend fun <BC : BehaviourContext> BC.onVoice(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -664,8 +690,9 @@ suspend fun <BC : BehaviourContext> BC.onInvoice(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -688,8 +715,9 @@ suspend fun <BC : BehaviourContext> BC.onVisualContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -712,8 +740,9 @@ suspend fun <BC : BehaviourContext> BC.onMediaContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -737,8 +766,9 @@ suspend fun <BC : BehaviourContext> BC.onGiveawayContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt
index d56faac244..4862909143 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeepLinkHandling.kt
@@ -43,6 +43,11 @@ suspend fun <BC : BehaviourContext> BC.onDeepLink(
     }
 }
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onDeepLink(
     regex: Regex,
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
@@ -56,6 +61,11 @@ suspend fun <BC : BehaviourContext> BC.onDeepLink(
     return onDeepLink(initialFilter ?.let { internalFilter * it } ?: internalFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 }
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onDeepLink(
     deepLink: String,
     initialFilter: SimpleFilter<Pair<TextMessage, String>>? = null,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt
index 61be99d40f..b8e8da2127 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/DeletedBusinessMessagesTriggers.kt
@@ -22,8 +22,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt
index 0663a3313d..9d8b508b7f 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt
@@ -31,8 +31,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -55,8 +56,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedContentMessage(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -79,8 +81,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedContact(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -103,8 +106,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedDice(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -127,8 +131,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedGame(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -151,8 +156,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedLocation(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -175,8 +181,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedText(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -199,8 +206,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedVenue(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -223,8 +231,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedAudioMediaGroup(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -247,8 +256,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedDocumentMediaGroupContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -271,8 +281,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedTextedMediaContent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -295,8 +306,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedMediaCollection(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -319,8 +331,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedMedia(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -343,8 +356,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedAnimation(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -367,8 +381,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedAudio(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -391,8 +406,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedDocument(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -415,8 +431,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedPhoto(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -439,8 +456,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedSticker(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -463,8 +481,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedVideo(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -487,8 +506,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedVideoNote(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -511,8 +531,9 @@ suspend fun <BC : BehaviourContext> BC.onEditedVoice(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
index 47f188ca40..8ff4fc5aaa 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
@@ -57,8 +57,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent, reifi
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -76,8 +77,9 @@ suspend fun <BC : BehaviourContext> BC.onChannelEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -95,8 +97,9 @@ suspend fun <BC : BehaviourContext> BC.onPrivateEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -114,8 +117,9 @@ suspend fun <BC : BehaviourContext> BC.onChatEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -133,8 +137,9 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -152,8 +157,9 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatStartedEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -171,8 +177,9 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatEndedEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -190,8 +197,9 @@ suspend fun <BC : BehaviourContext> BC.onVideoChatParticipantsInvitedEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -209,8 +217,9 @@ suspend fun <BC : BehaviourContext> BC.onMessageAutoDeleteTimerChangedEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -228,8 +237,9 @@ suspend fun <BC : BehaviourContext> BC.onPublicChatEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -247,8 +257,9 @@ suspend fun <BC : BehaviourContext> BC.onCommonEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -266,8 +277,9 @@ suspend fun <BC : BehaviourContext> BC.onGroupEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -285,8 +297,9 @@ suspend fun <BC : BehaviourContext> BC.onSupergroupEvent(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -304,8 +317,9 @@ suspend fun <BC : BehaviourContext> BC.onChannelChatCreated(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -323,8 +337,9 @@ suspend fun <BC : BehaviourContext> BC.onDeleteChatPhoto(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -342,8 +357,9 @@ suspend fun <BC : BehaviourContext> BC.onGroupChatCreated(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -361,8 +377,9 @@ suspend fun <BC : BehaviourContext> BC.onLeftChatMember(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -380,8 +397,9 @@ suspend fun <BC : BehaviourContext> BC.onNewChatMembers(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -399,8 +417,9 @@ suspend fun <BC : BehaviourContext> BC.onNewChatPhoto(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -418,8 +437,9 @@ suspend fun <BC : BehaviourContext> BC.onNewChatTitle(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -437,8 +457,9 @@ suspend fun <BC : BehaviourContext> BC.onPinnedMessage(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -456,8 +477,9 @@ suspend fun <BC : BehaviourContext> BC.onProximityAlertTriggered(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -478,8 +500,9 @@ suspend fun <BC : BehaviourContext> BC.onSupergroupChatCreated(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -497,8 +520,9 @@ suspend fun <BC : BehaviourContext> BC.onSuccessfulPayment(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -516,8 +540,9 @@ suspend fun <BC : BehaviourContext> BC.onUserLoggedIn(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -535,8 +560,9 @@ suspend fun <BC : BehaviourContext> BC.onWebAppData(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -554,8 +580,9 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicClosed(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -573,8 +600,9 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicCreated(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -593,8 +621,9 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicReopened(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -612,8 +641,9 @@ suspend fun <BC : BehaviourContext> BC.onForumTopicEdited(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -631,8 +661,9 @@ suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicHidden(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -651,8 +682,9 @@ suspend fun <BC : BehaviourContext> BC.onGeneralForumTopicUnhidden(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -671,8 +703,9 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowed(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -691,8 +724,9 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromRequest(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -711,8 +745,9 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromAttachmentMenu(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -731,8 +766,9 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedOther(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -752,8 +788,9 @@ suspend fun <BC : BehaviourContext> BC.onWriteAccessAllowedFromWebAppLink(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -772,8 +809,9 @@ suspend fun <BC : BehaviourContext> BC.onChatSharedRequest(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -792,8 +830,9 @@ suspend fun <BC : BehaviourContext> BC.onUsersShared(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -813,8 +852,9 @@ suspend fun <BC : BehaviourContext> BC.onUserShared(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -834,8 +874,9 @@ suspend fun <BC : BehaviourContext> BC.onChatShared(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -854,8 +895,9 @@ suspend fun <BC : BehaviourContext> BC.onChatBoostAdded(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt
index b81d71c033..69518e093f 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt
@@ -25,8 +25,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : InlineQuery> BC.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -45,8 +46,9 @@ suspend fun <BC : BehaviourContext> BC.onAnyInlineQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -65,8 +67,9 @@ suspend fun <BC : BehaviourContext> BC.onBaseInlineQuery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt
index 2f705c4de6..ef23f4913d 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupMessagesTriggers.kt
@@ -37,8 +37,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartCo
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -56,8 +57,9 @@ suspend fun <BC : BehaviourContext> BC.onMediaGroupMessages(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -75,8 +77,9 @@ suspend fun <BC : BehaviourContext> BC.onPlaylistMessages(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -94,8 +97,9 @@ suspend fun <BC : BehaviourContext> BC.onDocumentsGroupMessages(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -113,8 +117,9 @@ suspend fun <BC : BehaviourContext> BC.onVisualGalleryMessages(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -132,8 +137,9 @@ suspend fun <BC : BehaviourContext> BC.onVisualMediaGroupMessages(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -151,8 +157,9 @@ suspend fun <BC : BehaviourContext> BC.onPhotoGalleryMessages(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
index 95d2071332..ec5ea5f21b 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
@@ -37,8 +37,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupPartCo
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -56,8 +57,9 @@ suspend fun <BC : BehaviourContext> BC.onMediaGroup(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -75,8 +77,9 @@ suspend fun <BC : BehaviourContext> BC.onPlaylist(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -94,8 +97,9 @@ suspend fun <BC : BehaviourContext> BC.onDocumentsGroup(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -113,8 +117,9 @@ suspend fun <BC : BehaviourContext> BC.onVisualGallery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -132,8 +137,9 @@ suspend fun <BC : BehaviourContext> BC.onVisualMediaGroup(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -151,8 +157,9 @@ suspend fun <BC : BehaviourContext> BC.onPhotoGallery(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt
index 262371f8da..f93ac56d7f 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MentionTriggers.kt
@@ -71,6 +71,11 @@ internal suspend inline fun <BC : BehaviourContext, reified T : TextedContent> B
 )
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithAnyContent(
     username: Username,
     initialFilter: CommonMessageFilter<TextedContent>? = null,
@@ -79,6 +84,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnyContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnyContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<TextedContent>? = null,
@@ -87,6 +97,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnyContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextedContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithAnyContent(
     user: User,
     initialFilter: CommonMessageFilter<TextedContent>? = null,
@@ -97,6 +112,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnyContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
     username: Username,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
@@ -105,6 +125,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithVoiceContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
@@ -113,6 +138,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVoiceContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VoiceContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
     user: User,
     initialFilter: CommonMessageFilter<VoiceContent>? = null,
@@ -123,6 +153,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVoiceContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
     username: Username,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
@@ -131,6 +166,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
@@ -139,6 +179,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupContent<MediaGroupPartContent>>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
     user: User,
     initialFilter: CommonMessageFilter<MediaGroupContent<MediaGroupPartContent>>? = null,
@@ -149,6 +194,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
     username: Username,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
@@ -157,6 +207,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupPartContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
@@ -165,6 +220,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithMediaGroupPartContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<MediaGroupPartContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
     user: User,
     initialFilter: CommonMessageFilter<MediaGroupPartContent>? = null,
@@ -175,6 +235,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithMediaGroupPartContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
     username: Username,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
@@ -183,6 +248,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithAudioContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
@@ -191,6 +261,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAudioContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AudioContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
     user: User,
     initialFilter: CommonMessageFilter<AudioContent>? = null,
@@ -201,6 +276,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAudioContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithDocumentContent(
     username: Username,
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
@@ -209,6 +289,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithDocumentContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithDocumentContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
@@ -217,6 +302,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithDocumentContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<DocumentContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithDocumentContent(
     user: User,
     initialFilter: CommonMessageFilter<DocumentContent>? = null,
@@ -227,6 +317,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithDocumentContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
     username: Username,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
@@ -235,6 +330,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithVisualMediaGroupPartContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
@@ -243,6 +343,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVisualMediaGroupPartCont
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VisualMediaGroupPartContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
     user: User,
     initialFilter: CommonMessageFilter<VisualMediaGroupPartContent>? = null,
@@ -253,6 +358,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVisualMediaGroupPartContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
     username: Username,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
@@ -261,6 +371,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithVideoContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
@@ -269,6 +384,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithVideoContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<VideoContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
     user: User,
     initialFilter: CommonMessageFilter<VideoContent>? = null,
@@ -279,6 +399,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithVideoContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(
     username: Username,
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
@@ -287,6 +412,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithPhotoContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
@@ -295,6 +425,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithPhotoContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<PhotoContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(
     user: User,
     initialFilter: CommonMessageFilter<PhotoContent>? = null,
@@ -305,6 +440,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithPhotoContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
     username: Username,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
@@ -313,6 +453,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnimationContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
@@ -321,6 +466,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithAnimationContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<AnimationContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
     user: User,
     initialFilter: CommonMessageFilter<AnimationContent>? = null,
@@ -331,6 +481,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithAnimationContent(
 
 
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithTextContent(
     username: Username,
     initialFilter: CommonMessageFilter<TextContent>? = null,
@@ -339,6 +494,11 @@ suspend fun <BC : BehaviourContext> BC.onMentionWithTextContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onMention(username, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onTextMentionWithTextContent(
     userId: UserId,
     initialFilter: CommonMessageFilter<TextContent>? = null,
@@ -347,6 +507,11 @@ suspend fun <BC : BehaviourContext> BC.onTextMentionWithTextContent(
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<TextContent>>
 ) = onTextMention(userId, initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
+/**
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
+ */
 suspend fun <BC : BehaviourContext> BC.onMentionWithTextContent(
     user: User,
     initialFilter: CommonMessageFilter<TextContent>? = null,
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt
index 592fec7e31..608690b12f 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt
@@ -28,8 +28,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : EncryptedPasspor
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt
index 8e9c93f6e7..25aacba2f8 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt
@@ -26,8 +26,9 @@ internal suspend inline fun <BC : BehaviourContext> BC.onPollAnswered(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt
index a0a98a5445..f7ce9810b5 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt
@@ -26,8 +26,9 @@ internal suspend inline fun <BC : BehaviourContext, reified T : Poll> BC.onPollU
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -50,8 +51,9 @@ suspend fun <BC : BehaviourContext> BC.onPollUpdates(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
@@ -74,8 +76,9 @@ suspend fun <BC : BehaviourContext> BC.onRegularPollUpdates(
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt
index 463ea3e6fd..8b2bb853e7 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt
@@ -20,8 +20,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt
index 160ead60f5..bc2aa01ba5 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt
@@ -20,8 +20,9 @@ import dev.inmo.tgbotapi.types.update.abstracts.Update
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
- * in one "stream". Output of [markerFactory] will be used as a key for "stream"
+ * @param [markerFactory] **Pass null to handle requests fully parallel**. Will be used to identify different "stream".
+ * [scenarioReceiver] will be called synchronously in one "stream". Output of [markerFactory] will be used as a key for
+ * "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data
  */

From c3fa8a6d33d754e88f1c43c06b3e3b76273296d2 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Sun, 16 Jun 2024 00:29:13 +0600
Subject: [PATCH 09/12] update microutils dependency

---
 gradle.properties         | 2 +-
 gradle/libs.versions.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/gradle.properties b/gradle.properties
index 629ddf8b13..fa5adf3574 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,4 +6,4 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 library_group=dev.inmo
-library_version=14.0.2-preview4
+library_version=14.0.2-preview5
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index bcf927553e..b3a4ad3455 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -13,7 +13,7 @@ ktor = "2.3.11"
 ksp = "1.9.23-1.0.20"
 kotlin-poet = "1.16.0"
 
-microutils = "0.20.52"
+microutils = "0.20.53"
 kslog = "1.3.4"
 
 versions = "0.51.0"

From abbb4e2dff4b5f42976a25ecb0125ee9c172b351 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Sun, 16 Jun 2024 22:34:44 +0600
Subject: [PATCH 10/12] update microutils

---
 gradle.properties                                           | 2 +-
 gradle/libs.versions.toml                                   | 2 +-
 .../dev/inmo/tgbotapi/extensions/api/LiveFlowLocation.kt    | 6 ++++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/gradle.properties b/gradle.properties
index fa5adf3574..81d95ddd65 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,4 +6,4 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 library_group=dev.inmo
-library_version=14.0.2-preview5
+library_version=14.0.2-preview6
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b3a4ad3455..6d62212c3d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -13,7 +13,7 @@ ktor = "2.3.11"
 ksp = "1.9.23-1.0.20"
 kotlin-poet = "1.16.0"
 
-microutils = "0.20.53"
+microutils = "0.20.53-preview1"
 kslog = "1.3.4"
 
 versions = "0.51.0"
diff --git a/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/LiveFlowLocation.kt b/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/LiveFlowLocation.kt
index 23c8fa19ee..261d23379b 100644
--- a/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/LiveFlowLocation.kt
+++ b/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/LiveFlowLocation.kt
@@ -1,6 +1,7 @@
 package dev.inmo.tgbotapi.extensions.api
 
 import dev.inmo.micro_utils.coroutines.LinkedSupervisorJob
+import dev.inmo.micro_utils.coroutines.LinkedSupervisorScope
 import dev.inmo.micro_utils.coroutines.launchSafelyWithoutExceptions
 import dev.inmo.tgbotapi.abstracts.*
 import dev.inmo.tgbotapi.abstracts.types.WithReplyMarkup
@@ -54,8 +55,9 @@ suspend fun TelegramBot.handleLiveLocation(
     val updateMessageJob = if (liveTimeMillis == indefiniteLivePeriodDelayMillis) { // do not launch refreshing of message for indefinite live locations
         null
     } else {
-        CoroutineScope(currentCoroutineContext().LinkedSupervisorJob()).launchSafelyWithoutExceptions(start = CoroutineStart.LAZY) {
-            while (isActive) {
+        val scope = currentCoroutineContext().LinkedSupervisorScope()
+        scope.launchSafelyWithoutExceptions(start = CoroutineStart.LAZY) {
+            while (scope.isActive) {
                 delay(liveTimeMillis)
                 // Remove previous location message info to resend live location message
                 currentLiveLocationMessage = null

From 738728f647ce9443c5154da1c1c73df9baa4e716 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Fri, 21 Jun 2024 13:21:05 +0600
Subject: [PATCH 11/12] Update libs.versions.toml

---
 gradle/libs.versions.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6d62212c3d..c7e4b00f61 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -13,7 +13,7 @@ ktor = "2.3.11"
 ksp = "1.9.23-1.0.20"
 kotlin-poet = "1.16.0"
 
-microutils = "0.20.53-preview1"
+microutils = "0.21.0"
 kslog = "1.3.4"
 
 versions = "0.51.0"

From a3ef66bbfbae27bae1a85a2dbc615352e5d0d16a Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Fri, 21 Jun 2024 13:30:13 +0600
Subject: [PATCH 12/12] migration due to potential breaking changes in
 microutils

---
 CHANGELOG.md      | 4 ++--
 gradle.properties | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4c098a3fd..0518abb23f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,11 @@
 # TelegramBotAPI changelog
 
-## 14.0.2
+## 14.1.0
 
 * `Version`:
     * `Coroutines`: `1.8.0` -> `1.8.1`
     * `Ktor`: `2.3.10` -> `2.3.11`
-    * `MicroUtils`: `0.20.45` -> `0.20.52`
+    * `MicroUtils`: `0.20.45` -> `0.21.0`
     * `KSLog`: `1.3.3` -> `1.3.4`
 * `BehaviourBuilder`:
     * `BehaviourContext` updates listening job will be weakly subscribed. It means that `BehaviourContext` scope will
diff --git a/gradle.properties b/gradle.properties
index 81d95ddd65..5af7457d09 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,4 +6,4 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 library_group=dev.inmo
-library_version=14.0.2-preview6
+library_version=14.1.0