If you find that you're not receiving notifications for Sideline, first make sure you have all notifications turned on.
When you first download the app or logout and log back in, you will see the following pop up!
Tap Yes, notify me
If you accidentally skip this question, you can always go into your iPhone settings under Sideline to make any changes
Also double check everything is enabled within the app settings
1. Tap the Sideline icon to access your Settings
2. Scroll down and make sure Show Message Preview is on, or Email Notifications if you'd like to have your messages sent to your email as well
If you're not receiving notifications after enabling these options, you may need to check your device's settings for Sideline to ensure you've allowed notifications