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