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