/// <summary>
 /// Begin a new AmazonBuyGoodsRequest
 /// </summary>
 /// <param name="requestData"></param>
 /// <returns></returns>
 public GameSparksStoreExternalResponse AmazonBuyGoodsRequest(AmazonBuyGoodsRequest requestData)
 {
     return(JsonConvert.DeserializeObject <GameSparksStoreExternalResponse>(Requestor.PostString(Urls.AmazonBuyGoodsRequest, JsonHelper.SerializeData(requestData)).ResponseJson));
 }
        /// <summary>
        /// Begin a new asynchronous AmazonBuyGoodsRequest
        /// </summary>
        /// <param name="requestData"></param>
        /// <returns></returns>
        public async Task <GameSparksStoreExternalResponse> AmazonBuyGoodsRequestAsync(AmazonBuyGoodsRequest requestData)
        {
            var res = await Requestor.PostStringAsync(Urls.AmazonBuyGoodsRequest, JsonHelper.SerializeData(requestData));

            return(JsonConvert.DeserializeObject <GameSparksStoreExternalResponse>(res.ResponseJson));
        }