swift-sample-core-location-2.swift

func setupUserNotificationCenter(){
        
    // request to receive notification
    notificationCenter.requestAuthorization(options: [.alert, .sound, .badge, .carPlay], completionHandler: { (granted, error) in
            
        if (error != nil) {
            print("Notification Authorization Error: " + error!.localizedDescription)
        }else{
            print("Notification Authorization Granted: " + granted.description)
        }
    })
}