UserFieldHistory::synchronize

static function synchronize($entityTypeID)
{
	self::load();
	self::$items[$entityTypeID] = new DateTime();
	self::save();

	// clear cache on any uf settings change
	$factory = Container::getInstance()->getFactory((int)$entityTypeID);
	if ($factory)
	{
		$factory->clearFieldsCollectionCache();
	}
}