In the rich text editor:
@Liege
In a comment:
[Liege](https://chowlings.com/user/Liege)
For Names and Avatars:
In the rich text editor:
%Liege
In a comment:
[![Liege's Avatar](https://chowlings.com/images/avatars/1175.png?v=1705433905)](https://chowlings.com/user/Liege) [Liege](https://chowlings.com/user/Liege)