From the home screen of the Frontpoint App:
Tap on the Menu button
Tap on Notifications.
Tap on the settings cog icon .
Tap on the + button to create a new notification and select Sensor Activity from the list.
From here you can check the boxes next to any sensors you would to receive notifications for.
Tap on +Add Recipient to select which phone numbers, emails or push devices you would like to receive the notification. You can also use the During this time frame: section to limit by times of day or days of the week that you will receive the notifications.
Tap Save when done.