def METHOD_NAME(self, watch_id, params=None):
    """
    `<https://www.elastic.co/guide/en/elasticsearch/reference/current/watcher-api-activate-watch.html>`_
    :arg watch_id: Watch ID
    """
    if watch_id in SKIP_IN_PATH:
        raise ValueError("Empty value passed for a required argument 'watch_id'.")
    return self.transport.perform_request(
        "PUT", _make_path("_watcher", "watch", watch_id, "_activate"), params=params
    )