public function alterValid(Form $mainForm, &$isValid)
    {
        $this->parent->getFormHelper()->alterValid($this->form, $mainForm, $isValid);
    }
public function alterValid(Form $mainForm, &$isValid)
    {
        $this->parent->getFormHelper()->alterValid($this->form, $mainForm, $isValid);
    }
public function alterValid ( Form $ mainForm , & $ isValid ) { $ this -> parent -> getFormHelper ( ) -> alterValid ( $ this -> form , $ mainForm , $ isValid ) ; }
Allow form-specific valid alters.

@param  Form  $mainForm
@param  bool  $isValid
@return void
Allow form - specific valid alters .