code: public static function getConfig($id, $local_config = null, $protect = true)
      {
          $config = parent::getConfig($id, $local_config, $protect);
  
          /** @var EmailServiceParameterConfig $params */
          $params = EmailServiceParameterConfig::whereServiceId($id)->get();
          $config['parameters'] = $params->toArray();
  
          return $config;
      }
docs: {@inheritdoc}