virtual void TriggerOnChatRoomMemberJoinDelegates ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & Param1, const [FChatRoomId](API\Plugins\OnlineSubsystem\Interfaces\FChatRoomId) & Param2, const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & Param3 )