See the javadoc on a lot of interfaces in org.drools.event.knowledgebase. The expert manual has a section on the "Event Model" showing how to attach a listener to the knowledge session (not a package).<div>-W<br>
<div><div><br><br><div class="gmail_quote">2012/3/1 Jian Feng Ng <span dir="ltr"><<a href="mailto:jng42@csc.com">jng42@csc.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif">I wish to add a listener to a package, so that my application can do something else when there is any creation or deletion of rules in the package. May I know how can I do this?<br>
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