In the rich text editor:
@WAYF1ND3R
In a comment:
[WAYF1ND3R](https://chowlings.com/user/WAYF1ND3R)
For Names and Avatars:
In the rich text editor:
%WAYF1ND3R
In a comment:
[](https://chowlings.com/user/WAYF1ND3R) [WAYF1ND3R](https://chowlings.com/user/WAYF1ND3R)