/**
  * Returns the list of attribute names of the model.
  * @return array list of attribute names.
  */
 public function attributeNames()
 {
     return array_merge(parent::attributeNames(), array('role', 'user_id', 'sid', 'sid_expiration'));
 }
 /**
  * Returns the list of attribute names of the model.
  * @return array list of attribute names.
  */
 public function attributeNames()
 {
     return array_merge(parent::attributeNames(), array('name', 'properties', 'is_authentication_required', 'allowed_roles', 'subscriber_source', 'event_source', 'create_date'));
 }