In the rich text editor:
@Shadow_Trinity
In a comment:
[Shadow_Trinity](https://chowlings.com/user/Shadow_Trinity)
For Names and Avatars:
In the rich text editor:
%Shadow_Trinity
In a comment:
[![Shadow_Trinity's Avatar](https://chowlings.com/images/avatars/1770.jpg?v=1666440793)](https://chowlings.com/user/Shadow_Trinity) [Shadow_Trinity](https://chowlings.com/user/Shadow_Trinity)