Open your model console in the fritz console. It will have a button - SDK Instructions click on this it will open a dialog as shown in the following screenshot. As shown in the dialog box, create a new file with the filename shown and paste/write the code in it:

Now, once you have added this file, you need to open AppDelegate.swift and make the following modifications:

• First, add a new import as
• Import Fritz
• Now in app delegate class:

      func application(_application : UIApplication, 
      didFinishLaunchingWithOptions launchOptions: 
      [UIApplication.LauncgOptionsKey: Any])

Replace the previously method definition as shown here:

func application(_ application: UIApplication,
didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?)
-> Bool {
FritzCore.configure()
return true
}