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