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