SubmissionSubmitStep3Form.inc.php

<?php
 
import('lib.pkp.classes.submission.form.PKPSubmissionSubmitStep3Form');
import('classes.submission.SubmissionMetadataFormImplementation');
 
class SubmissionSubmitStep3Form extends PKPSubmissionSubmitStep3Form {
   function __construct($context, $submission) {
      parent::__construct(
         $context,
         $submission,
         new SubmissionMetadataFormImplementation($this)
      );
   }
}