<Order_Add_Item order_id="1000"> (Required - order_id)
<Code>test</Code>
<Name>Test Product #1</Name>
<Price>1</Price>
<Weight>0</Weight>
<Quantity>1</Quantity>
<Options>
<Option>
<AttributeCode>test</AttributeCode>
</Option>
<Option>
<AttributeCode>template_attr</AttributeCode>
<Price>1.00</Price>
<OptionCode>v1</OptionCode>
</Option>
</Options>
<Shipment> (Optional)
<Code>Ship_Code</Code> (Optional)
<Cost>1</Cost> (Optional)
<MarkAsShipped>Yes</MarkAsShipped> (Optional)
<TrackingNumber>1111111111</TrackingNumber> (Required)
<TrackingType>FedEx</TrackingType> (Required)
<ShipDate> (Optional)
<Day>7</Day>
<Month>9</Month>
<Year>2012</Year>
</ShipDate>
</Shipment>
<Shipment /> (Optional)
</Order_Add_Item>