[FunctionName("HelloWorld")]
        public static async Task<dynamic> Run(
            [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
            ILogger log)
        {
            string bd =  await req.ReadAsStringAsync();
            log.LogInformation($" req.Body: { bd}");
            FunctionExecutionContext<dynamic> context = JsonConvert.DeserializeObject<FunctionExecutionContext<dynamic>>(bd);

                      //  log.LogInformation($"req body: {new StreamReader(httpRequest.Body).ReadToEnd()}");
      //      var context2 = JsonConvert.DeserializeObject<FunctionExecutionContext<dynamic>>(await req.ReadAsStringAsync());
            var serverSettings = new PlayFab.PlayFabApiSettings()
            {
                TitleId = Environment.GetEnvironmentVariable("PLAYFAB_TITLE_ID"),
                DeveloperSecretKey = Environment.GetEnvironmentVariable("PLAYFAB_DEV_SECRET_KEY")
            };

            var titleAuthContext = new PlayFabAuthenticationContext();
            //titleAuthContext.EntityToken = context.TitleAuthenticationContext.EntityToken;

            var s = new PlayFabEconomyInstanceAPI(serverSettings,titleAuthContext);

            var lootboxItemRef = new PlayFab.EconomyModels.InventoryItemReference
            {
                Id = "45d5a69f-63eb-4fe9-bb17-3461526d6a61",
                StackId = "default"
            };

            PlayFab.EconomyModels.EntityKey entity = new PlayFab.EconomyModels.EntityKey {
                 Id = context.CallerEntityProfile.Entity.Id, Type = context.CallerEntityProfile.Entity.Type
                 };

            var request = new AddInventoryItemsRequest(){
                Amount = 1,
                Entity = entity,
                Item = lootboxItemRef
            };

            return await s.AddInventoryItemsAsync(request);

        }