public function createTraveler()
{
$traveler = new Traveler();
if (isset($_POST['Traveler'])) {
$traveler->attributes = $_POST['Traveler'];
if ($traveler->addStep($step)) {
Yii::app()->user->setFlash('stepAdded', Yii::t('default', "Your step has been added"));
$this->refresh();
}
}
}