SFSpeechRecognizer.requestAuthorization { [weak self] (authStatus) in

            var isAuthorization = false

            switch authStatus {
            case .authorized:
                isAuthorization = true

            case .denied:
                isAuthorization = false
                print("User denied access to speech recognition")

            case .restricted:
                isAuthorization = false
                print("Speech recognition restricted on this device")

            case .notDetermined:
                isAuthorization = false
                print("Speech recognition not yet authorized")
            }
}