code: def ExtractEvents(self, parser_mediator, registry_key, **kwargs):
      
      for subkey in registry_key.GetSubkeys():
        values_dict = {}
        values_dict['subkey_name'] = subkey.name
  
        vendor_identification = None
        product_identification = None
        try:
          subkey_name_parts = subkey.name.split('&')
          if len(subkey_name_parts) >= 2:
            vendor_identification = subkey_name_parts[0]
            product_identification = subkey_name_parts[1]
        except ValueError as exception:
          logger.warning(
              'Unable to split string: {0:s} with error: {1!s}'.format(
                  subkey.name, exception))
  
        if vendor_identification and product_identification:
          values_dict['vendor'] = vendor_identification
          values_dict['product'] = product_identification
  
        for devicekey in subkey.GetSubkeys():
          values_dict['serial'] = devicekey.name
  
          event_data = windows_events.WindowsRegistryEventData()
          event_data.key_path = registry_key.path
          event_data.offset = registry_key.offset
          event_data.regvalue = values_dict
          event_data.source_append = self._SOURCE_APPEND
  
          # Last USB connection per USB device recorded in the Registry.
          event = time_events.DateTimeValuesEvent(
              devicekey.last_written_time,
              definitions.TIME_DESCRIPTION_LAST_CONNECTED)
          parser_mediator.ProduceEventWithEventData(event, event_data)
docs: Extracts events from a Windows Registry key.
  
      Args:
        parser_mediator (ParserMediator): mediates interactions between parsers
            and other components, such as storage and dfvfs.
        registry_key (dfwinreg.WinRegistryKey): Windows Registry key.