def METHOD_NAME(self, request, queryset):
    fields = (
        "id",
        ("email", lambda o: o.get_email()),
        ("name", lambda o: o.get_name()),
        "newsletter_id",
        "user_id",
        "subscribed",
        "unsubscribed",
    )
    return export_csv_response(export_csv(queryset, fields))