public function readSubmissions($submission)
 {
     try {
         $soap = $this->readResults(array('sourcedIdSet' => array('sourcedId' => $submission->getSubmissionIds())));
         $response = new Response($this);
         if ($response->getStatus() == 'error') {
             throw new TurnitinSDKException($response->getStatusCode(), $response->getDescription());
         } else {
             $submissions = array();
             if (isset($soap->resultRecordSet->resultRecord)) {
                 if (!is_array($soap->resultRecordSet->resultRecord)) {
                     $soap->resultRecordSet->resultRecord = array($soap->resultRecordSet->resultRecord);
                 }
                 foreach ($soap->resultRecordSet->resultRecord as $submission) {
                     $tiiSubmission = new TiiSubmission();
                     $tiiSubmission->setSubmissionId($submission->sourcedGUID->sourcedId);
                     $tiiSubmission->setTitle($submission->result->resultValue->label);
                     $tiiSubmission->setAssignmentId($submission->result->lineItemSourcedId);
                     $tiiSubmission->setAuthorUserId($submission->result->personSourcedId);
                     $tiiSubmission->setDate($submission->result->date);
                     $tiiSubmission->setOverallSimilarity($submission->result->resultScore->textString);
                     $submission->result->extension->extensionField = is_array($submission->result->extension->extensionField) ? $submission->result->extension->extensionField : array($submission->result->extension->extensionField);
                     foreach ($submission->result->extension->extensionField as $field) {
                         $name = $field->fieldName;
                         $method = 'set' . $name;
                         if (is_callable(array($tiiSubmission, $method))) {
                             $tiiSubmission->{$method}($field->fieldValue);
                         }
                     }
                     $submissions[] = $tiiSubmission;
                 }
             }
             $response->setSubmissions($submissions);
         }
         return $response;
     } catch (SoapFault $e) {
         throw new TurnitinSDKException($e->faultcode, $e->faultstring, parent::getLogPath());
     }
 }