In the rich text editor:
@Puggo
In a comment:
[Puggo](https://www.chowlings.com/user/Puggo)
For Names and Avatars:
In the rich text editor:
%Puggo
In a comment:
[](https://www.chowlings.com/user/Puggo) [Puggo](https://www.chowlings.com/user/Puggo)
