code: async def start_all_linking(self, linkcode, group, address=None):
          
          _LOGGING.info('Starting the All-Linking process')
          if address:
              linkdevice = self.plm.devices[Address(address).id]
              if not linkdevice:
                  linkdevice = create(self.plm, address, None, None)
              _LOGGING.info('Attempting to link the PLM to device %s. ',
                            address)
              self.plm.start_all_linking(linkcode, group)
              asyncio.sleep(.5, loop=self.loop)
              linkdevice.enter_linking_mode(group=group)
          else:
              _LOGGING.info('Starting All-Linking on PLM. '
                            'Waiting for button press')
              self.plm.start_all_linking(linkcode, group)
              await asyncio.sleep(self.wait_time, loop=self.loop)
  
          _LOGGING.info('%d devices added to the All-Link Database',
                        len(self.plm.devices))
          await asyncio.sleep(.1, loop=self.loop)
docs: Start the All-Linking process with the IM and device.