CMS Made Simple Forums

Could someone tell me what the backend logged in username $variable is?

I want to use this in a UDT to control a notification for example if the admin is logged in then no notification on page update.

Thanks

Related blogs:
https://www.cmscanbesimple.org/blog/adm ... tification
https://www.cmscanbesimple.org/blog/sen ... age-change

Sorted thanks