In the rich text editor:
@Fenaurkey
In a comment:
[Fenaurkey](https://chowlings.com/user/Fenaurkey)
For Names and Avatars:
In the rich text editor:
%Fenaurkey
In a comment:
[![Fenaurkey's Avatar](https://chowlings.com/images/avatars/5.png?v=1644063301)](https://chowlings.com/user/Fenaurkey) [Fenaurkey](https://chowlings.com/user/Fenaurkey)