public function __construct(array $values = array())
 {
     $this->allowedAttributes = array_merge($this->allowedAttributes, array('servicing'));
     return parent::__construct($values);
 }
 public function __construct(array $values = array())
 {
     $this->allowedAttributes = array_merge($this->allowedAttributes, array('point', 'radius'));
     return parent::__construct($values);
 }