code: @Override
      public void writeFragmentTo(MwsWriter w) {
          w.write("ASIN", asin);
          w.write("SellerSKU", sellerSKU);
          w.write("OrderItemId", orderItemId);
          w.write("Title", title);
          w.write("QuantityOrdered", quantityOrdered);
          w.write("QuantityShipped", quantityShipped);
          w.write("ItemPrice", itemPrice);
          w.write("ShippingPrice", shippingPrice);
          w.write("GiftWrapPrice", giftWrapPrice);
          w.write("ItemTax", itemTax);
          w.write("ShippingTax", shippingTax);
          w.write("GiftWrapTax", giftWrapTax);
          w.write("ShippingDiscount", shippingDiscount);
          w.write("PromotionDiscount", promotionDiscount);
          w.writeList("PromotionIds", "PromotionId", promotionIds);
          w.write("CODFee", codFee);
          w.write("CODFeeDiscount", codFeeDiscount);
          w.write("GiftMessageText", giftMessageText);
          w.write("GiftWrapLevel", giftWrapLevel);
          w.write("InvoiceData", invoiceData);
          w.write("ConditionNote", conditionNote);
          w.write("ConditionId", conditionId);
          w.write("ConditionSubtypeId", conditionSubtypeId);
          w.write("ScheduledDeliveryStartDate", scheduledDeliveryStartDate);
          w.write("ScheduledDeliveryEndDate", scheduledDeliveryEndDate);
      }
docs: Write members to a MwsWriter.
  
  @param w
  The writer to write to.