In the rich text editor:
@kunyun04
In a comment:
[kunyun04](https://chowlings.com/user/kunyun04)
For Names and Avatars:
In the rich text editor:
%kunyun04
In a comment:
[](https://chowlings.com/user/kunyun04) [kunyun04](https://chowlings.com/user/kunyun04)
