//[docs](../../index.md)/[dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling](index.md)/[onMessageAutoDeleteTimerChangedEvent](on-message-auto-delete-timer-changed-event.md)



# onMessageAutoDeleteTimerChangedEvent  
[common]  
Content  
suspend fun [BehaviourContext](../dev.inmo.tgbotapi.extensions.behaviour_builder/-behaviour-context/index.md).[onMessageAutoDeleteTimerChangedEvent](on-message-auto-delete-timer-changed-event.md)(includeFilterByChatInBehaviourSubContext: [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) = true, additionalFilter: suspend ([ChatEventMessage](../dev.inmo.tgbotapi.types.message.abstracts/-chat-event-message/index.md)<[MessageAutoDeleteTimerChanged](../dev.inmo.tgbotapi.types.message.ChatEvents/-message-auto-delete-timer-changed/index.md)>) -> [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)? = null, scenarioReceiver: [BehaviourContextAndTypeReceiver](../dev.inmo.tgbotapi.extensions.behaviour_builder/index.md#%5Bdev.inmo.tgbotapi.extensions.behaviour_builder%2FBehaviourContextAndTypeReceiver%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F625018081)<[Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html), [ChatEventMessage](../dev.inmo.tgbotapi.types.message.abstracts/-chat-event-message/index.md)<[MessageAutoDeleteTimerChanged](../dev.inmo.tgbotapi.types.message.ChatEvents/-message-auto-delete-timer-changed/index.md)>>):