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