Not sure if this is a repost or even in the right section. But it's very simple I came across awhile ago
\nope
or \n or \no
could be intended but not sure about it if it just contains nothing but empty message :|
just type that and you got an empty worded message to the chat that everyone can even see!
Say chat: Thatguy says something unintelligible
Yell chat: Thatguy yells at his team members
trade/general/party/raid/ect chat: Thayguy:
Enjoy!