Manager::onPropertyUpdate

static function onPropertyUpdate($iblockId, $propertyOld, $propertyNew)
{
	if (array_key_exists("USER_TYPE", $propertyNew))
	{
		$storageOld = IblockPropertyIndexIndexer::getPropertyStorageType($propertyOld);
		$storageNew = IblockPropertyIndexIndexer::getPropertyStorageType($propertyNew);
		if ($storageOld !== $storageNew)
		{
			self::markAsInvalid($iblockId);
		}
	}
}