code: public function doEnhancement(Lead $lead)
      {
          if (!empty($lead)) {
              $settings = $this->getIntegrationSettings()->getFeatureSettings();
  
              if (!$lead->getFieldValue($settings['random_field_name'])) {
                  $lead->addUpdatedField($settings['random_field_name'], rand(1, 100));
  
                  return true;
              }
          }
  
          return false;
      }
docs: @param Lead $lead
  
  @return bool