public static async Task <IActionResult> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req, ILogger log, IWelcomeService welcomeService)
        {
            log.LogInformation("C# HTTP trigger function processed a request.");

            return(welcomeService != null
                ? (ActionResult) new OkObjectResult($"Hello, {welcomeService.WelcomeMessage()}")
                : new BadRequestObjectResult("WelcomeService not resolved"));
        }