/// <summary>
 /// InvoiceXpress <a href="https://invoicexpress.com/api/items/update">Items Update</a> Method
 /// </summary>
 public static void Update(string apiKey, string accountName, int itemId, ItemDto inputData)
 {
     Rest_Update(apiKey, accountName, itemId, inputData.XmlSerializeToString());
 }
            /// <summary>
            /// InvoiceXpress <a href="https://invoicexpress.com/api/items/create">Items Create</a> Method
            /// </summary>
            public static ItemDto Create(string apiKey, string accountName, ItemDto inputData)
            {
                HttpResponseInfo result = Rest_Create(apiKey, accountName, inputData.XmlSerializeToString());

                return(result.Text.DeserializeXml <ItemDto>());
            }