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