AppDelegate.swift

   // Add this to the top of your file
   import PlacenoteSDK
  
   // Initialize LibPlacenote in your application launch function like this
   func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: 
                    [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
   
       LibPlacenote.instance.initialize(apiKey: "Enter API Key Here")
       return true
   }