code: def handle_form_submit(self):
          
          protect.CheckAuthenticator(self.request)
          logger.info("Handle ResultsInterpration Submit")
          # Save the results interpretation
          res = self.request.form.get("ResultsInterpretationDepts", [])
          self.context.setResultsInterpretationDepts(res)
          self.add_status_message(_("Changes Saved"), level="info")
          # reindex the object after save to update all catalog metadata
          self.context.reindexObject()
          # notify object edited event
          event.notify(ObjectEditedEvent(self.context))
docs: Handle form submission