code: def update_model_snapshot(self, job_id, snapshot_id, body, params=None):
          
          for param in (job_id, snapshot_id, body):
              if param in SKIP_IN_PATH:
                  raise ValueError("Empty value passed for a required argument.")
          return self.transport.perform_request(
              "POST",
              _make_path(
                  "_ml",
                  "anomaly_detectors",
                  job_id,
                  "model_snapshots",
                  snapshot_id,
                  "_update",
              ),
              params=params,
              body=body,
          )
docs: `<http://www.elastic.co/guide/en/elasticsearch/reference/current/ml-update-snapshot.html>`_
  
          :arg job_id: The ID of the job to fetch
          :arg snapshot_id: The ID of the snapshot to update
          :arg body: The model snapshot properties to update