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