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