Posted to forum for a wider audience. I think you will need to be more specific with your use case. With kind regards, Mike -----Original Message----- From: kingcd8(a)hotmail.com [mailto:kingcd8@hotmail.com] Sent: 07 March 2008 15:35 To: Anstis, Michael (M.) Subject: Can I use drools to solve my problem? I have a list of products and want to divide this list in other lists applying the rules, than i want to apply the same rules to this new lists. So I keep dividing them until no rules are applicable anymore. Thank you