virtual void HandleChatRoomMessageReceived ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & LocalUserId, const [FChatRoomId](API\Plugins\OnlineSubsystem\Interfaces\FChatRoomId) & RoomId, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FChatMessage](API\Plugins\OnlineSubsystem\Interfaces\FChatMessage) > & ChatMessage )