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