let title = "Jokes Are Us Diagnostics:"
        let text = "Some Text"
        
        // set up activity view controller
        let textToShare = [ title, text ]
        let activityViewController = UIActivityViewController(activityItems: textToShare, applicationActivities: nil)
        activityViewController.popoverPresentationController?.sourceView = self.view // so that iPads won't crash
        
        // exclude some activity types from the list (optional)
        activityViewController.excludedActivityTypes = [ UIActivity.ActivityType.airDrop ]
        
        // present the view controller
        self.present(activityViewController, animated: true, completion: nil)