code: def put(self, measurementId, deviceId):
          
          logger.info('Starting measurement ' + measurementId + ' for ' + deviceId)
          if self._measurementController.startMeasurement(measurementId, deviceId):
              logger.info('Started measurement ' + measurementId + ' for ' + deviceId)
              return None, 200
          else:
              logger.warning('Failed to start measurement ' + measurementId + ' for ' + deviceId)
              return None, 404
docs: Initialises the measurement session from the given device.
          :param measurementId:
          :param deviceId:
          :return: