execute() public method

Save changes to submission.
public execute ( $submission, $request ) : Submission
$submission Submission
$request PKPRequest
return Submission
 /**
  * Save changes to submission.
  * @param $submission Submission
  * @param $request PKPRequest
  * @return Submission
  */
 function execute($submission, $request)
 {
     parent::execute($submission, $request);
     // Log the modification event.
     import('lib.pkp.classes.log.SubmissionLog');
     import('classes.log.SubmissionEventLogEntry');
     SubmissionLog::logEvent($request, $submission, SUBMISSION_LOG_METADATA_UPDATE, 'submission.event.general.metadataUpdated');
 }