In the rich text editor:
@186lilly
In a comment:
[186lilly](https://www.whistlercrest.com/user/186lilly)
For Names and Avatars:
In the rich text editor:
%186lilly
In a comment:
[](https://www.whistlercrest.com/user/186lilly) [186lilly](https://www.whistlercrest.com/user/186lilly)