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