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