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