In the rich text editor:
@Light
In a comment:
[Light](https://chowlings.com/user/Light)
For Names and Avatars:
In the rich text editor:
%Light
In a comment:
[![Light's Avatar](https://chowlings.com/images/avatars/3060.png?v=1729730619)](https://chowlings.com/user/Light) [Light](https://chowlings.com/user/Light)