public DataItem Serialize()
        {
            DataItem customField;
            DataItem valuesItem;

            customField      = new DataItem();
            customField.Name = "CustomFieldResponse";
            customField.AddAttribute("FieldCode", this.FieldCode);

            valuesItem = new DataItem("Values", string.Empty);

            foreach (string value in this.Values)
            {
                valuesItem.AddChild("Value", value);
            }

            customField.Items.Add(valuesItem);

            return(customField);
        }