Get ID of newly created Resource

$videoDoc = $modx->newObject('modResource');

$videoDoc->set('pagetitle',$videoname);
$videoDoc->set('parent',13);
$videoDoc->set('template',5);
  $videoDoc->set('published',1);

// okay, now we're ready. let's save.
if ($videoDoc->save() === false) {
  die('An error occurred while saving!');
}

$id = $modx->lastInsertId();

$newid = $modx->lastInsertId();
  echo '<a href="[[~'.$newid.']]">View By Itself</a>';