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