In the rich text editor:
@Miyang07
In a comment:
[Miyang07](https://chowlings.com/user/Miyang07)
For Names and Avatars:
In the rich text editor:
%Miyang07
In a comment:
[](https://chowlings.com/user/Miyang07) [Miyang07](https://chowlings.com/user/Miyang07)