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