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