Join in a bedrock Java crossplay server and select a gamesome or just type in chat, you need a controller connected and a mobile device, once you type in chat if it sends through the first time then type again and if the chat goes down while trying to enter your messsge and doesn’t let you enter it, then press the back button on the controller, if you don’t have split controls on for mobile you will see the game thinks your holding down on the right side and will show the mobile controls while trying to use controller