Yes, it can be a bit unintuitive at first if you are used to ACL-s and you expect the transforms list to just match at some point and don't continue. But it doesn't work this way. All transforms are checked if their REGEX matches and are executed if it does.  So if you want to selectively index only chosen events you must first make sure that all events are sent to nullQueue and then another transform applied afterwards will overwrite the already overwritten destination to indexQueue making sure those few events are kept. ... View more