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