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