iPhone Push Payload Info in App - iphone

Question

I'm trying to process some more information from my payload. This is how I set up push notification for iPhone and the message comes through and this is how i create my payload:
// Create the payload body
$body['aps'] = array(
'alert' => $message,
'sound' => 'default',
'link_url' => $url,
);
In this is inside my app.
// WHEN a push notification comes in
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any]){
if let aps = userInfo["aps"] as? NSDictionary {
if let alert = aps["alert"] as? NSDictionary {
if (alert["message"] as? NSString) != nil {
//Do stuff
self.window = UIWindow(frame: UIScreen.main.bounds)
let storyboard = UIStoryboard(name: "Main", bundle: nil)
// redirect to section
var initialViewController = storyboard.instantiateViewController(withIdentifier: "ViewBookings")
self.window?.rootViewController = initialViewController
self.window?.makeKeyAndVisible()
}
} else if (aps["alert"] as? NSString) != nil {
self.window = UIWindow(frame: UIScreen.main.bounds)
let storyboard = UIStoryboard(name: "Main", bundle: nil)
// redirect to section
var initialViewController2 = storyboard.instantiateViewController(withIdentifier: "ViewBookings")
self.window?.rootViewController = initialViewController2
self.window?.makeKeyAndVisible()
}
}
}
But now i need to read link_url so my app can redirect to different sections or recommend an external link. (its not always an url)
I tried: let my_url = aps["link_url"] as? NSDictionary and then describe as string, but i get nothing.

Answer 1

It depends on how the $message and $url objects are defined. If they are strings then the following should work:
if let my_url = aps["link_url"] as? String {
print(my_url)
}
From your code it looks like your object looks like the following:
{ "aps" : {
"alert" : {
"message" : "some message"
},
"sound" : "default",
"link_url" : "www.example.com"
}
}