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