WellCommerce\Bundle\CurrencyBundle\Controller\Admin\CurrencyController::syncExchangeRatesAction PHP Метод

    public function syncExchangeRatesAction() : RedirectResponse
    {
        $this->get('currency.importer.ecb')->importExchangeRates();
        $this->getFlashHelper()->addSuccess('currency.flashes.success.exchange_rates_synchronization');
        return $this->redirectToAction('index');
    }