code: def update(self, name=values.unset, code_length=values.unset):
          
          return self._proxy.update(name=name, code_length=code_length, )
docs: Update the ServiceInstance
  
          :param unicode name: Friendly name of the service
          :param unicode code_length: Length of verification code. Valid values are 4-10
  
          :returns: Updated ServiceInstance
          :rtype: twilio.rest.preview.acc_security.service.ServiceInstance