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