In the rich text editor:
@starscout
In a comment:
[starscout](https://chowlings.com/user/starscout)
For Names and Avatars:
In the rich text editor:
%starscout
In a comment:
[![starscout's Avatar](https://chowlings.com/images/avatars/1763.png?v=1666145691)](https://chowlings.com/user/starscout) [starscout](https://chowlings.com/user/starscout)