if (UtilValidate.isNotEmpty(orderHeader)) {
String externalId = orderHeader.getString("externalId").toString();
List<GenericValue> orderShipment = orderHeader.getRelated("OrderShipment");
if (orderShipment.size() > 0) {
List<GenericValue> trackingOrders = orderHeader.getRelated("TrackingCodeOrder");
ApiContext apiContext = EbayStoreHelper.getApiContext(productStoreId, locale, delegator);
GetOrdersCall ordersCall = new GetOrdersCall(apiContext);
OrderIDArrayType orderIdArr = new OrderIDArrayType();
String[] orderIdStr = {""+externalId};
orderIdArr.setOrderID(orderIdStr);
req.setOrderIDArray(orderIdArr);