Notification

[Sonia]

The act of notifying, or giving notice; the act of
making known; especially, the act of giving official notice or
information to the public or to individuals, corporations, companies,
or societies, by words, by writing, or by other means.

[Tina]

One of those random annoying popups that really piss you off but you dont turn it off anyway.

[Little_Girl]

The action of notifying someone or something.