You can add or remove a notification easily.
Remove a notification
To remove a notification, follow the below steps:
Click Settings, usually under Configuration or Admin Menu, depending on how your system is set up.
Click Notifications then click into the notification you want to delete.
Click Delete.
Add a notification
To add a notification, follow the below steps:
Click Settings, usually under Configuration or Admin Menu, depending on how your system is set up.
Click Notifications then click Add Notification.
Complete the required fields then click Save.