In the rich text editor:
@PalkiaDS
In a comment:
[PalkiaDS](https://chowlings.com/user/PalkiaDS)
For Names and Avatars:
In the rich text editor:
%PalkiaDS
In a comment:
[![PalkiaDS's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/PalkiaDS) [PalkiaDS](https://chowlings.com/user/PalkiaDS)