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