def add_route(evlp: 'jina_pb2.Envelope', name: str, identity: str) ->None:
    """Add a route to the envelope

    :param evlp: the envelope to modify
    :param name: the name of the pod service
    :param identity: the identity of the pod service
    """
    r = evlp.routes.add()
    r.pod = name
    r.start_time.GetCurrentTime()
    r.pod_id = identity
