In the rich text editor:
@Julibty
In a comment:
[Julibty](https://chowlings.com/user/Julibty)
For Names and Avatars:
In the rich text editor:
%Julibty
In a comment:
[![Julibty's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/Julibty) [Julibty](https://chowlings.com/user/Julibty)