Product::checkPermissionIBlockElementModify

protected function checkPermissionIBlockElementModify($iblockId, $elementId): Result
{
	$iblockId = (int)$iblockId;

	$r = $this->existsIblock($iblockId);
	if (!$r->isSuccess())
	{
		return $r;
	}

	if ($elementId > 0)
	{
		$bBadBlock = !CIBlockElementRights::UserHasRightTo($iblockId, $elementId, self::IBLOCK_ELEMENT_EDIT); //access edit
	}
	else
	{
		$bBadBlock = !CIBlockRights::UserHasRightTo($iblockId, $iblockId, self::IBLOCK_ELEMENT_EDIT);
	}

	if($bBadBlock)
	{
		$r->addError(new Error('Access Denied', 200040300043));
	}

	return $r;
}