Reusable Confirmation Dialog for Jinja2 using Bootstrap and Modals

_confirm.html

{% macro confirm_deletion(endpoint='#') %}
    <div id="confirm-deletion">

        <button type="button" class="btn btn-danger" data-toggle="modal"
                data-target="#MyFancyModal">Löschen
        </button>

        <div id="MyFancyModal" class="modal fade" role="dialog">
            <div class="modal-dialog">
                <div class="modal-content">
                    <div class="modal-header">Löschen</div>
                    <div class="modal-body">Möchtest du den Eintrag wirklich löschen?</div>
                    <div class="modal-footer">
                        <form action="{{ endpoint }}" method="post">
                            <button type="submit" class="btn btn-danger">Ja</button>
                            <button class="btn btn-default" data-dismiss="modal">Nein</button>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>
{% endmacro %}