diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventAction.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventAction.kt
index 286e2f3c88..196dcbf149 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventAction.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventAction.kt
@@ -214,3 +214,8 @@ suspend fun BehaviourContext.waitChatShared(
     initRequest: Request<*>? = null,
     errorFactory: NullableRequestBuilder<*> = { null }
 ) = waitEvents<ChatShared>(initRequest, errorFactory)
+
+suspend fun BehaviourContext.waitChatBoostAdded(
+    initRequest: Request<*>? = null,
+    errorFactory: NullableRequestBuilder<*> = { null }
+) = waitEvents<ChatBoostAdded>(initRequest, errorFactory)
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventActionMessages.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventActionMessages.kt
index 55d89bbc75..61246132b7 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventActionMessages.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventActionMessages.kt
@@ -208,3 +208,8 @@ suspend fun BehaviourContext.waitChatSharedEventsMessages(
     initRequest: Request<*>? = null,
     errorFactory: NullableRequestBuilder<*> = { null }
 ) = waitEventsMessages<ChatShared>(initRequest, errorFactory)
+
+suspend fun BehaviourContext.waitChatBoostAddedEventsMessages(
+    initRequest: Request<*>? = null,
+    errorFactory: NullableRequestBuilder<*> = { null }
+) = waitEventsMessages<ChatBoostAdded>(initRequest, errorFactory)
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 6fe38413da..55ff317b64 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
@@ -823,3 +823,24 @@ suspend fun <BC : BehaviourContext> BC.onChatShared(
     markerFactory: MarkerFactory<in ChatEventMessage<ChatShared>, Any> = ByChatMessageMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PrivateEventMessage<ChatShared>>
 ) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
+
+
+
+/**
+ * @param initialFilter This filter will be called to remove unnecessary data BEFORE [scenarioReceiver] call
+ * @param subcontextUpdatesFilter This filter will be applied to each update inside of [scenarioReceiver]. For example,
+ * this filter will be used if you will call [dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.waitContentMessage].
+ * 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 scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
+ * data
+ */
+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,
+    scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<ChatBoostAdded>>
+) = onEventWithCustomChatEventMessage(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
index 44b0f6df67..9b1ef20df7 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
@@ -656,6 +656,7 @@ const val menuButtonField = "menu_button"
 
 const val boostIdField = "boost_id"
 const val boostField = "boost"
+const val boostCountField = "boost_count"
 const val addDateField = "add_date"
 const val expirationDateField = "expiration_date"
 const val removeDateField = "remove_date"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/ChatBoostAdded.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/ChatBoostAdded.kt
new file mode 100644
index 0000000000..2153239057
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/ChatBoostAdded.kt
@@ -0,0 +1,12 @@
+package dev.inmo.tgbotapi.types.message.ChatEvents
+
+import dev.inmo.tgbotapi.types.boostCountField
+import dev.inmo.tgbotapi.types.message.ChatEvents.abstracts.PublicChatEvent
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ChatBoostAdded(
+    @SerialName(boostCountField)
+    val count: Int
+) : PublicChatEvent
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
index 0a8735da19..2b97286d0c 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
@@ -117,6 +117,9 @@ internal data class RawMessage(
     private val general_forum_topic_unhidden: GeneralForumTopicUnhidden? = null,
     private val write_access_allowed: WriteAccessAllowed? = null,
 
+    // Boost added to groups
+    private val boost_added: ChatBoostAdded? = null,
+
     // AutoDelete Message time changed
     private val message_auto_delete_timer_changed: MessageAutoDeleteTimerChanged? = null,
 
@@ -247,6 +250,7 @@ internal data class RawMessage(
             giveaway_created != null -> giveaway_created
             giveaway_winners is GiveawayPrivateResults -> giveaway_winners
             giveaway_completed != null -> giveaway_completed
+            boost_added != null -> boost_added
             else -> null
         }
     }
diff --git a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt
index e73520d8cd..428d4eb8d6 100644
--- a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt
+++ b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ClassCastsNew.kt
@@ -222,6 +222,7 @@ import dev.inmo.tgbotapi.types.media.TitledTelegramMedia
 import dev.inmo.tgbotapi.types.media.VisualMediaGroupMemberTelegramMedia
 import dev.inmo.tgbotapi.types.message.ChannelEventMessage
 import dev.inmo.tgbotapi.types.message.ChatEvents.ChannelChatCreated
+import dev.inmo.tgbotapi.types.message.ChatEvents.ChatBoostAdded
 import dev.inmo.tgbotapi.types.message.ChatEvents.DeleteChatPhoto
 import dev.inmo.tgbotapi.types.message.ChatEvents.GroupChatCreated
 import dev.inmo.tgbotapi.types.message.ChatEvents.LeftChatMemberEvent
@@ -2882,6 +2883,15 @@ public inline fun ChatEvent.channelChatCreatedOrThrow(): ChannelChatCreated = th
 public inline fun <T> ChatEvent.ifChannelChatCreated(block: (ChannelChatCreated) -> T): T? =
     channelChatCreatedOrNull() ?.let(block)
 
+public inline fun ChatEvent.chatBoostAddedOrNull(): ChatBoostAdded? = this as?
+    dev.inmo.tgbotapi.types.message.ChatEvents.ChatBoostAdded
+
+public inline fun ChatEvent.chatBoostAddedOrThrow(): ChatBoostAdded = this as
+    dev.inmo.tgbotapi.types.message.ChatEvents.ChatBoostAdded
+
+public inline fun <T> ChatEvent.ifChatBoostAdded(block: (ChatBoostAdded) -> T): T? =
+    chatBoostAddedOrNull() ?.let(block)
+
 public inline fun ChatEvent.deleteChatPhotoOrNull(): DeleteChatPhoto? = this as?
     dev.inmo.tgbotapi.types.message.ChatEvents.DeleteChatPhoto