iPhone - Notification Summary
Notification Summary allows you to conveniently monitor all of your Bigin notifications in one place, while also reducing screen clutter.
To add Bigin's notifications to Notification Summary
Method - 1
1. Open the Bigin app on your iPhone.
2. Tap More 
at the bottom right of the screen.
3. Open the Notifications tab.
4. Scroll down to find Device Settings > Tap Notifications.
5. Choose the Scheduled Summary option under the Notification Delivery tab.
Method - 2
1. Open Settings 
on your iPhone > Notifications > Scheduled Summary.
2. Look for Bigin under the Notification Style tab.
3. Select Bigin > Choose a notification delivery option.