code: def add_additional_args(parsers):
    '''
    add additional parameters to parser
    '''
    for parser in parsers:
      cli_args.add_verbose(parser)
      cli_args.add_config(parser)
      parser.add_argument(
          '--heron-dir',
          default=config.get_heron_dir(),
          help='Path to Heron home directory'f add_additional_args(parsers):
    '''
    add additional parameters to parser
    '''
    for parser in parsers:
      cli_args.add_verbose(parser)
      cli_args.add_config(parser)
      parser.add_argument(
          '--heron-dir',
          default=config.get_heron_dir(),
          help='Path to Heron home directory')
docs: add additional parameters to parser