ProductsGet.cs

 public static class ProductsGet
 {
     [FunctionName("products-get")]
     public static async Task<IActionResult> Get(
         [HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "products")] HttpRequest req,
         ILogger log)
     {
        return new OkObjectResult(new List<Product> { new Product(10, "T-Shirt", "SWA fanclub branded T-Shirt", 1),
                   new Product(20, "Mug", "SWA fanclub branded Mug", 1),
                   new Product(30, "Poster", "SWA fanclub branded Poster", 1)}); 
     } 
 }