* to the shipment
* @param courier Name of the shipment carrier
*/
public Document addTrackingData(String orderNumber, String trackNumber,
String courier) throws ProtocolException {
AddTrackingDataRequest addTrackingDataRequest
= _objectFact.createAddTrackingDataRequest();
TrackingData trackData = _objectFact.createTrackingData();
trackData.setTrackingNumber(trackNumber);
trackData.setCarrier(courier);
addTrackingDataRequest.setTrackingData(trackData);
addTrackingDataRequest.setGoogleOrderNumber(orderNumber);
JAXBElement<AddTrackingDataRequest> addTrackingData
= _objectFact.createAddTrackingData(addTrackingDataRequest);
return convertToDOM(addTrackingData);
}