Noun
notifier (plural notifiers)
A person or thing which notifies or provides notification.
The e-mail notifier displays a small icon in the notification area when mail is received.
Bugsnag PHP Notifier docs for more information about the full capabilities of the notifier. Source: Internet
I used to have a "gmail notifier" program that worked just fine till recently. Source: Internet
But my infection notifier warns me the Bloodsuckers are already rallying. Source: Internet
In an interactive Smalltalk system the default implementation of doesNotUnderstand: is one that opens an error window (a Notifier) reporting the error to the user. Source: Internet