public-health-ch/modeladmin/feedler/entry/index.html

{% extends "modeladmin/index.html %}

{% block header_extra %}
    {% include 'modeladmin/includes/button.html' with button=view.button_helper.export_button %}
    <a href="#">My New Button</a>
    {{ block.super }}{% comment %}Display the original buttons {% endcomment %}
{% endblock %}