In the rich text editor:
@ShugarMaple
In a comment:
[ShugarMaple](https://chowlings.com/user/ShugarMaple)
For Names and Avatars:
In the rich text editor:
%ShugarMaple
In a comment:
[![ShugarMaple's Avatar](https://chowlings.com/images/avatars/124.png?v=1644063259)](https://chowlings.com/user/ShugarMaple) [ShugarMaple](https://chowlings.com/user/ShugarMaple)