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