APNS on Simulator

AppDelegate.swift

import UIKit
import UserNotifications

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate {

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        
        UNUserNotificationCenter.current().delegate = self
        
        UNUserNotificationCenter.current()
            .requestAuthorization(options: [.alert, .sound, .badge]) {
                [weak self] granted, error in
                
                print("Permission granted: \(granted)")
                guard granted else { return }
                
                
            UNUserNotificationCenter.current().getNotificationSettings { settings in
            print("Notification settings: \(settings)")
            
            guard settings.authorizationStatus == .authorized else { return }
            
            DispatchQueue.main.async {
                UIApplication.shared.registerForRemoteNotifications()
            }
        }
         
    }
    return true
   }