Get iOS 13 Device Token on Xamarin.iOS

DeviceToken.cs

public override async void RegisteredForRemoteNotifications(UIApplication application, NSData deviceToken)
{
        var token = "";
        /* Tokens generated on devices running iOS 13+ follow a different format which requires conversion for the backend to process them
           More info: https://nshipster.com/apns-device-tokens/
        */
        if (UIDevice.CurrentDevice.CheckSystemVersion(13, 0))
        {
            byte[] result = new byte[deviceToken.Length];
            Marshal.Copy(deviceToken.Bytes, result, 0, (int)deviceToken.Length);
            token = BitConverter.ToString(result).Replace("-", "");
        }
        else
        {
            token = deviceToken.Description;
            token = DeviceToken.Trim('<').Trim('>');
            token = DeviceToken.Replace(" ", "");
        }
        if (!string.IsNullOrWhiteSpace(token))
        {
          System.Diagnostics.Debug.WriteLine("iOS Device Token: " + token);
          // Save the token using your prefered method (Xamarin.Essentials's Preferences works well)
        }
}