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