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