public async Task <ActionResult> UploadImage(ImageData[] imageData) { try { var imagePaths = SaveImages(imageData); FaceRecognizerHelper.FaceApiKey = ConfigurationManager.AppSettings["FaceApiKey"]; FaceRecognizerHelper.FaceApiEndpoint = ConfigurationManager.AppSettings["FaceApiEndpoint"]; FaceRecognizerHelper faceHelper = FaceRecognizerHelper.InitializeService(); await faceHelper.TainImagesAsync(User.Identity.Name, imagePaths); return(Json(true)); } catch (Exception ex) { return(new HttpStatusCodeResult(500, "Unable to save image.")); } }