In the rich text editor:
@Gidget
In a comment:
[Gidget](https://chowlings.com/user/Gidget)
For Names and Avatars:
In the rich text editor:
%Gidget
In a comment:
[![Gidget's Avatar](https://chowlings.com/images/avatars/562.png?v=1704942978)](https://chowlings.com/user/Gidget) [Gidget](https://chowlings.com/user/Gidget)