diff --git a/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt b/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
index deab6df207..5dee1c8736 100644
--- a/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
+++ b/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ContentTriggers.kt
@@ -1,3 +1,5 @@
+@file:Suppress("unused", "UNCHECKED_CAST")
+
 package dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling
 
 
@@ -15,9 +17,11 @@ import dev.inmo.tgbotapi.types.message.content.abstracts.*
 import dev.inmo.tgbotapi.types.message.content.media.*
 import dev.inmo.tgbotapi.types.message.payments.InvoiceContent
 import dev.inmo.tgbotapi.updateshandlers.FlowsUpdatesFilter
+import dev.inmo.tgbotapi.utils.PreviewFeature
 import kotlinx.coroutines.flow.filter
 
 
+@PreviewFeature
 internal suspend inline fun <reified T : MessageContent> BehaviourContext.onContent(
     includeFilterByChatInBehaviourSubContext: Boolean = true,
     includeMediaGroups: Boolean = true,
diff --git a/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt b/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
new file mode 100644
index 0000000000..4adff39c3f
--- /dev/null
+++ b/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt
@@ -0,0 +1,2 @@
+package dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling
+