def create_multi_feedforward_parser(parser):
    """Add the multi-agent policy hyperparameters to the parser."""
    parser.add_argument(
        "--shared",
        action="store_true",
        help="whether to use a shared policy for all agents")
    parser.add_argument(
        "--maddpg",
        action="store_true",
        help="whether to use an algorithm-specific variant of the MADDPG "
             "algorithm")

    return parser