[rules-users] import a class

How do i import a java class ( which is in a jar ) in drl file ? is there special syntax for it .. jar file is in classpath .. thanks ----------------------------------------- ******************************************************************* *** This email and any files transmitted with it are confidential and intended solely for the individual or entity to whom they are addressed. If you have received this email in error destroy it immediately. ****************************************************** **************** Wal-Mart Confidential **************************** ******************************************