Instead of a blacklist, you could also use the whitelist value: whitelist = <Override regex for blacklist when using a folder key.>. For example, whitelist = ^.\/cloudtrail2\/.$. Regex should match the full path.   Instead of making a complicated regex with a blacklist, I would make a simpler one with that will allow you to pull in anything with the 'Y' value.  I'd use Regex101 to make sure it's correct, and remember to use the full path! ... View more