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