def get_dotted_field(input_dict: dict, accessor_string: str) -> dict:
    """Gets data from a dictionary using a dotted accessor-string.

    Parameters
    ----------
    input_dict : dict
        A nested dictionary.
    accessor_string : str
        The value in the nested dict.

    Returns
    -------
    dict
        Data from the dictionary.
    """
    current_data = input_dict
    for chunk in accessor_string.split("."):
        current_data = current_data.get(chunk, {})
    return current_data