In the rich text editor:
@TRAUMA
In a comment:
[TRAUMA](https://chowlings.com/user/TRAUMA)
For Names and Avatars:
In the rich text editor:
%TRAUMA
In a comment:
[![TRAUMA's Avatar](https://chowlings.com/images/avatars/288.png?v=1644063273)](https://chowlings.com/user/TRAUMA) [TRAUMA](https://chowlings.com/user/TRAUMA)