//[docs](../../index.md)/[dev.inmo.tgbotapi.extensions.behaviour_builder.expectations](index.md)/[waitNewChatMembersEvents](wait-new-chat-members-events.md)



# waitNewChatMembersEvents  
[common]  
Content  
suspend fun [BehaviourContext](../dev.inmo.tgbotapi.extensions.behaviour_builder/-behaviour-context/index.md).[waitNewChatMembersEvents](wait-new-chat-members-events.md)(initRequest: [Request](../dev.inmo.tgbotapi.requests.abstracts/-request/index.md)<*>? = null, errorFactory: [NullableRequestBuilder](index.md#%5Bdev.inmo.tgbotapi.extensions.behaviour_builder.expectations%2FNullableRequestBuilder%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F625018081)<*> = { null }, count: [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) = 1, filter: [EventMessageToEventMapper](index.md#%5Bdev.inmo.tgbotapi.extensions.behaviour_builder.expectations%2FEventMessageToEventMapper%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F625018081)<[NewChatMembers](../dev.inmo.tgbotapi.types.message.ChatEvents/-new-chat-members/index.md)>? = null): [List](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)<[NewChatMembers](../dev.inmo.tgbotapi.types.message.ChatEvents/-new-chat-members/index.md)>