CAllIBlock::isUniqueSectionCode

static function isUniqueSectionCode(int $id): bool
{
	if ($id <= 0)
	{
		return false;
	}

	$iblock = static::GetFields($id);

	return (
		isset($iblock['SECTION_CODE']['DEFAULT_VALUE']['UNIQUE'])
		&& $iblock['SECTION_CODE']['DEFAULT_VALUE']['UNIQUE'] === 'Y'
	);
}