Find the essential documentation and sample code for using local and push notifications in your iOS and Mac apps. Registering your app with APNs.Communicate with Apple Push Notification service (APNs) and receive a unique device token that identifies your app. To set up push notifications for iOS devices, you must use the Apple Push Notification Service (APNs). Rave Alert is the leading FedRAMP-authorized mass notification system. Then in the next menu, under iOS, Filter "service" and choose Notification Service Extension like so: Filtering Notification Service Extension. Text MONTGOMERYCITY to 91896. Opt-in. Emergency Alerts: NIXLE: Montgomery Township Police emergency texts or emails. Montgomery suffered an MCL injury in a Week 15 loss to the Bills and seemed bound for surgery.