def METHOD_NAME(request: RefundRequest, amount: Decimal) -> None:
    payment = request.payment
    msg = EmailMessage(
        "Your refund request has been processed",
        from_email=from_email("TICKETS_EMAIL"),
        to=[payment.user.email],
    )
    # TODO: handle situation where currency of refund is different from currency of payment.
    msg.body = render_template(
        "emails/refund-sent.txt",
        user=payment.user,
        amount=amount,
        request=request,
        currency=payment.currency,
    )
    msg.send()