In the rich text editor:
@KandiRay
In a comment:
[KandiRay](https://chowlings.com/user/KandiRay)
For Names and Avatars:
In the rich text editor:
%KandiRay
In a comment:
[![KandiRay's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/KandiRay) [KandiRay](https://chowlings.com/user/KandiRay)