/// <summary>
        /// After getting customer info by Get Customer Info endpoint and finished the shopping procedure in POS terminal, use this endpoint to complete transaction.
        /// You can try this endpoint with configuring client parameters in Console Tab below. Test OAuthClientId is b30359c21700fd6f2b91154adcb7b37bab3e7e0a33e22682e5dd149d7a6ac4df
        /// and OAuthClientSecret is 4bc4335faad41d6a23cd059e495005f00496a64e34e6187b1d72695a8debd28c
        /// </summary>
        /// <param name="body">Required parameter: The body of the request.</param>
        /// <return>Returns the Models.TransactionResultResponse response from the API call</return>
        public Models.TransactionResultResponse CreateTransactionResult(Models.TransactionResultRequest body)
        {
            Task <Models.TransactionResultResponse> t = CreateTransactionResultAsync(body);

            APIHelper.RunTaskSynchronously(t);
            return(t.Result);
        }
        /// <summary>
        /// After getting customer info by Get Customer Info endpoint and finished the shopping procedure in POS terminal, use this endpoint to complete transaction.
        /// You can try this endpoint with configuring client parameters in Console Tab below. Test OAuthClientId is b30359c21700fd6f2b91154adcb7b37bab3e7e0a33e22682e5dd149d7a6ac4df
        /// and OAuthClientSecret is 4bc4335faad41d6a23cd059e495005f00496a64e34e6187b1d72695a8debd28c
        /// </summary>
        /// <param name="body">Required parameter: The body of the request.</param>
        /// <return>Returns the Models.TransactionResultResponse response from the API call</return>
        public async Task <Models.TransactionResultResponse> CreateTransactionResultAsync(Models.TransactionResultRequest body)
        {
            //Check if authentication token is set
            AuthManager.Instance.CheckAuthorization();
            //the base uri for api requests
            string _baseUri = Configuration.GetBaseURI();

            //prepare query string for API call
            StringBuilder _queryBuilder = new StringBuilder(_baseUri);

            _queryBuilder.Append("/v2/pos/transaction_result");


            //validate and preprocess url
            string _queryUrl = APIHelper.CleanUrl(_queryBuilder);

            //append request with appropriate headers and parameters
            var _headers = new Dictionary <string, string>()
            {
                { "user-agent", "APIMATIC 2.0" },
                { "accept", "application/json" },
                { "content-type", "application/json; charset=utf-8" }
            };

            _headers.Add("Authorization", string.Format("Bearer {0}", Configuration.OAuthToken.AccessToken));

            //append body params
            var _body = APIHelper.JsonSerialize(body);

            //prepare the API call request to fetch the response
            HttpRequest _request = ClientInstance.PostBody(_queryUrl, _headers, _body);

            //invoke request and get response
            HttpStringResponse _response = (HttpStringResponse)await ClientInstance.ExecuteAsStringAsync(_request).ConfigureAwait(false);

            HttpContext _context = new HttpContext(_request, _response);

            //handle errors defined at the API level
            base.ValidateResponse(_response, _context);

            try
            {
                return(APIHelper.JsonDeserialize <Models.TransactionResultResponse>(_response.Body));
            }
            catch (Exception _ex)
            {
                throw new APIException("Failed to parse the response: " + _ex.Message, _context);
            }
        }