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