To create a simple notification go to Communication -> Simple notification and click Create notification button.

Name – helps us identify our notification in the system.

Send date – we can set when notification will be sent.

Application – we choose in which application, notification should be displayed.

Notification – we set notification content.

GCM account – we choose the GCM account.

Usage frequency – Specifies which group, in terms of frequency of use of the application we send a notification.