def METHOD_NAME(rhr: models.RentalHistoryRequest) -> str:
    rh_link = slack.hyperlink(
        text="rent history",
        href=absolute_reverse("admin:rh_rentalhistoryrequest_change", args=[rhr.pk]),
    )
    if rhr.user:
        user_text = slack.hyperlink(text=rhr.user.best_first_name, href=rhr.user.admin_url)
    else:
        user_text = slack.escape(rhr.first_name)
    return f"{user_text} has requested {rh_link}!"