In the rich text editor:
@syrakiin
In a comment:
[syrakiin](https://chowlings.com/user/syrakiin)
For Names and Avatars:
In the rich text editor:
%syrakiin
In a comment:
[![syrakiin's Avatar](https://chowlings.com/images/avatars/2344.jpg?v=1684519578)](https://chowlings.com/user/syrakiin) [syrakiin](https://chowlings.com/user/syrakiin)