/**
  * @see EPSInterface::createBillOfLadingPDF()
  */
 public function createBillOfLadingPDF($sessionId, $billOfLading, $includeAutoPrintJS)
 {
     try {
         $createBillOfLadingPDFStdObject = new stdClass();
         $createBillOfLadingPDFStdObject->sessionId = $sessionId;
         $createBillOfLadingPDFStdObject->billOfLading = $billOfLading;
         $createBillOfLadingPDFStdObject->includeAutoPrintJS = $includeAutoPrintJS;
         $response = parent::createBillOfLadingPDF($createBillOfLadingPDFStdObject);
         if (isset($response->return)) {
             $resultPDF = $response->return;
         } else {
             $resultPDF = null;
         }
         return $resultPDF;
     } catch (SoapFault $sf) {
         throw new ServerException($sf);
     }
 }