In the rich text editor:
@SNAPSYBACKSY
In a comment:
[SNAPSYBACKSY](https://chowlings.com/user/SNAPSYBACKSY)
For Names and Avatars:
In the rich text editor:
%SNAPSYBACKSY
In a comment:
[![SNAPSYBACKSY's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/SNAPSYBACKSY) [SNAPSYBACKSY](https://chowlings.com/user/SNAPSYBACKSY)