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