def METHOD_NAME(dirpath):
    """
    Creates ``verta_config.yaml`` containing an empty dictionary in `dirpath`.
    Parameters
    ----------
    dirpath : str
        Path to the directory that will contain the config file.
    Returns
    -------
    config_filepath : str
        Absolute path to the newly-created config file
    """
    config_filepath = os.path.join(dirpath, CONFIG_YAML_FILENAME)
    config_filepath = os.path.expanduser(config_filepath)
    config_filepath = os.path.abspath(config_filepath)
    with open(config_filepath, "w") as f:
        yaml.dump({}, f)
    return config_filepath