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