Which shortcuts can you use in Facebook Messenger?
@everyone will let you notify everyone in a group chat /silent will let you send a message without pinging the whole group
/pay will let you send or request money (on iOS and Android in the US) /gif and a topic will serve up potential GIFs to send in a chat (on iOS) /shrug will drop the ¯_(ツ)_/¯ emoticon (on iOS) /tableflip will bring up the (╯°□°）╯︵ ┻━┻ emoticon (on iOS)
