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