Rich push categories

AppDelegate.swift

func application(_ application: UIApplication,
                 didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

    UNUserNotificationCenter
        .current()
        .requestAuthorization(options: [.alert, .sound, .badge]) { _, _ in }

    let openAction = UNNotificationAction(identifier: "open.action",
                                          title: "Open door",
                                          options: [])

    let incomingCallCategory = UNNotificationCategory(identifier: "doorCategory",
                                                      actions: [openAction],
                                                      intentIdentifiers: [],
                                                      options: [])

    UNUserNotificationCenter.current().setNotificationCategories([incomingCallCategory])
    UNUserNotificationCenter.current().delegate = self

    return true
}