In the rich text editor:
@Tigenki
In a comment:
[Tigenki](https://chowlings.com/user/Tigenki)
For Names and Avatars:
In the rich text editor:
%Tigenki
In a comment:
[](https://chowlings.com/user/Tigenki) [Tigenki](https://chowlings.com/user/Tigenki)
