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