public function updatevalue(\SilverStripe\Control\HTTPRequest $request)
    {
        if ($request->getVar('Price') && FoxyStripeSetting::current_foxystripe_setting()->CartValidation) {
            $vars = $request->getVars();
            $signedPrice = FoxyCart_Helper::fc_hash_value($this->Code, 'price', $vars['Price'], 'name', false);
            $json = json_encode(['Price' => $signedPrice]);

            $this->response->setBody($json);
            $this->response->addHeader('Content-Type', 'application/json');

            return $this->response;
        }

        return 'false';
    }