In the rich text editor:
@Ariz0na_Tek
In a comment:
[Ariz0na_Tek](https://chowlings.com/user/Ariz0na_Tek)
For Names and Avatars:
In the rich text editor:
%Ariz0na_Tek
In a comment:
[](https://chowlings.com/user/Ariz0na_Tek) [Ariz0na_Tek](https://chowlings.com/user/Ariz0na_Tek)