code: def enable_event(self, event_type, mechanism, context=None):
          
          self.visalib.enable_event(self.session, event_type, mechanism, context)
docs: Enable event occurrences for specified event types and mechanisms in this resource.
  
          :param event_type: Logical event identifier.
          :param mechanism: Specifies event handling mechanisms to be enabled.
                            (Constants.VI_QUEUE, .VI_HNDLR, .VI_SUSPEND_HNDLR)
          :param context:  Not currently used, leave as None.