code: public function section($load = false)
      {
          $fields = $this->getFields();
  
          /** @var SectionModel $sectionModel */
          $sectionModel = static::sectionModel();
  
          return $load
              ? $sectionModel::query()->getById($fields['IBLOCK_SECTION_ID'])
              : new $sectionModel($fields['IBLOCK_SECTION_ID']);
      }
docs: Get element direct section as model object.
  
  @param bool $load
  
  @return false|SectionModel