In the rich text editor:
@Scout
In a comment:
[Scout](https://chowlings.com/user/Scout)
For Names and Avatars:
In the rich text editor:
%Scout
In a comment:
[![Scout's Avatar](https://chowlings.com/images/avatars/1397.png?v=1721935755)](https://chowlings.com/user/Scout) [Scout](https://chowlings.com/user/Scout)