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