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