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