In the rich text editor:
@Steele
In a comment:
[Steele](https://chowlings.com/user/Steele)
For Names and Avatars:
In the rich text editor:
%Steele
In a comment:
[![Steele's Avatar](https://chowlings.com/images/avatars/1061.png?v=1728157808)](https://chowlings.com/user/Steele) [Steele](https://chowlings.com/user/Steele)