//[docs](../../index.md)/[dev.inmo.tgbotapi.extensions.behaviour_builder.triggers_handling](index.md)/[onPhotoGallery](on-photo-gallery.md) # onPhotoGallery [common] Content suspend fun [BehaviourContext](../dev.inmo.tgbotapi.extensions.behaviour_builder/-behaviour-context/index.md).[onPhotoGallery](on-photo-gallery.md)(includeFilterByChatInBehaviourSubContext: [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) = true, additionalFilter: suspend ([List](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)<[MediaGroupMessage](../dev.inmo.tgbotapi.types.message.abstracts/-media-group-message/index.md)<[PhotoContent](../dev.inmo.tgbotapi.types.message.content.media/-photo-content/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), [List](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)<[MediaGroupMessage](../dev.inmo.tgbotapi.types.message.abstracts/-media-group-message/index.md)<[PhotoContent](../dev.inmo.tgbotapi.types.message.content.media/-photo-content/index.md)>>>):