In the rich text editor:
@noirie
In a comment:
[noirie](https://chowlings.com/user/noirie)
For Names and Avatars:
In the rich text editor:
%noirie
In a comment:
[![noirie's Avatar](https://chowlings.com/images/avatars/1046.jpg?v=1660090496)](https://chowlings.com/user/noirie) [noirie](https://chowlings.com/user/noirie)