Ex3_SceneDelegateUniversalLink.swift

//SceneDelegate
func scene(_ scene: UIScene, continue userActivity: NSUserActivity) {
        // This will allow us to check if we are coming from a universal link
        // and get the url with its components
        
        // The activity type (NSUserActivityTypeBrowsingWeb) is used
        // when continuing from a web browsing session to either
        // a web browser or a native app. Only activities of this
        // type can be continued from a web browser to a native app.
        guard userActivity.activityType == NSUserActivityTypeBrowsingWeb,
          let url = userActivity.webpageURL,
          let components = URLComponents(url: url,
                                         resolvingAgainstBaseURL: true) else {
            return
        }
        
        // Now that we have the url and its components,
        // we can use this information to present
        // appropriate content in the app
    }