code: def status(self, additional=[]):
          
          self.manager.refresh_client()
          fields = ['batteryLevel', 'deviceDisplayName', 'deviceStatus', 'name']
          fields += additional
          properties = {}
          for field in fields:
              properties[field] = self.content.get(field)
          return properties
docs: Returns status information for device.
  
          This returns only a subset of possible properties.