code: public function render()
      {
          return [
              'id'            => $this->getId(),
              'translate'     => 'label comment',
              'showInDefault' => 1,
              'showInWebsite' => 0,
              'showInStore'   => 0,
              'sortOrder'     => 1,
              'label'         => $this->label,
              'comment'       => $this->comment,
              '_elementType'  => 'group',
              'path'          => self::BASE_CONFIG_PATH,
              'children'      => $this->children
          ];
      }
docs: Returns Modly node config
  
  @return array