public function validateMinChecked($attribute, $value, $parameters)
    {
        $input = Input::get($attribute);

        if (!isset($parameters[0]) OR ! is_numeric($parameters[0])) {
            return true;
        }
        if (count($input) < $parameters[0]) {
            $this->setCustomMessages([$attribute => trans('antares/customfields::validator.checkboxes.min-checked')]);
            $this->addFailure($attribute, $attribute, []);
        }

        return true;
    }