def make_efile_url(efile_page_url: str) -> str:
    """
    Helper function to get file download link
    on a Portland EFile hosting web page

    Parameters
    ----------
    efile_page_url: str
        URL to Portland efile hosting web page
        e.g. https://efiles.portlandoregon.gov/record/14803529

    Returns
    -------
    efile url: str
        URL to the file itself
        e.g. https://efiles.portlandoregon.gov/record/14803529/File/Document
    """
    if not efile_page_url.endswith("/"):
        efile_page_url += "/"
    return f"{efile_page_url}File/Document"