public async Task <string> Handle(LuisResult param)
{
var cameraDriver = new CameraDriver();
var capturedPhoto = await cameraDriver.TakeShot();
var storageFile = await cameraDriver.Save(capturedPhoto, ApplicationData.Current.TemporaryFolder);
var imageAnalyzer = new ImageAnalyzer(AppConfiguration.VisionApiSubscriptionKey, AppConfiguration.VisionApiEndPoint);
var imageAnalysis = await imageAnalyzer.Describe(storageFile);
var description = GetDescription(imageAnalysis);
return(description);
}