updateCustomFields example

        if ($app->getAppSecret()) {
            $this->paymentMethodPersister->updatePaymentMethods($manifest, $id, $defaultLocale, $context);
            $this->taxProviderPersister->updateTaxProviders($manifest, $id, $defaultLocale, $context);

            $this->updateModules($manifest, $id, $defaultLocale, $context);
        }

        $this->ruleConditionPersister->updateConditions($manifest, $id, $defaultLocale, $context);
        $this->actionButtonPersister->updateActions($manifest, $id, $defaultLocale, $context);
        $this->templatePersister->updateTemplates($manifest, $id, $context);
        $this->scriptPersister->updateScripts($id, $context);
        $this->customFieldPersister->updateCustomFields($manifest, $id, $context);
        $this->assetService->copyAssetsFromApp($app->getName(), $app->getPath());

        $cmsExtensions = $this->appLoader->getCmsExtensions($app);
        if ($cmsExtensions) {
            $this->cmsBlockPersister->updateCmsBlocks($cmsExtensions, $id, $defaultLocale, $context);
        }

        $updatePayload = [
            'id' => $app->getId(),
            'configurable' => $this->handleConfigUpdates($app, $manifest, $install, $context),
            'allowDisable' => $this->doesAllowDisabling($app, $context),
        ];