function mass_delete_menu() {
$urls['admin/unlock-order/export'] = array(
                'title' => t('Delete All Content By Type'),
                'description' => 'Delete all content.',
                'page callback' => 'mass_delete_func',
                'access arguments' => array('???'),
                'file' => 'mass_delete.inc',
                'type' => MENU_CALLBACK
        );

return $urls;
}