public function productClassField(array &$submitted, array $options = array())
    {
        $this->options = $options;
        $this->submitted = &$submitted;

        $this->validateProductClassField();
        $this->validateProductClassProductClassField();
        $this->validateWeight();
        $this->validateBool('required');
        $this->validateBool('multiple');
        $this->validateFieldIdProductClassField();

        $this->unsetSubmitted('update');

        return $this->getResult();
    }