In the rich text editor:
@Wildest
In a comment:
[Wildest](https://chowlings.com/user/Wildest)
For Names and Avatars:
In the rich text editor:
%Wildest
In a comment:
[![Wildest's Avatar](https://chowlings.com/images/avatars/1114.png?v=1644063253)](https://chowlings.com/user/Wildest) [Wildest](https://chowlings.com/user/Wildest)