[rules-users] Auditing Requirement

Hi, We have a requirement were in we want to create an audit report after rules have been executed. For each rule, we need to track Desired Condition Value(as specified in when part), Actual Condition Value(value in asserted object) and so on. This data is to be collected not only for rules which finally got fired but also for rules which failed. It would be great if someone can guide me how to achieve this. Regards Manrai