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