While the debugger session is active, you can navigate through Oracle Policy Modeling and edit rules without stopping the debugger session.
If you want to test your new rulebase against existing data you have entered in the debugger, then you can use the "Retain existing session data" option to do this:
NOTE: If you have deleted or renamed any attributes, entities or relationships, the data associated with those items will be discarded when the debugger is restarted.