{% url 'admin-tools-menu-add-bookmark' as form_url %}
{% if form_url %}
<form id="bookmark-form" action="{{ form_url }}" method="POST">
    {% csrf_token %}
    <input type="hidden" name="next" value="{% firstof url request.get_full_path|urlencode %}" />
    <input type="hidden" name="url" value="{% firstof url request.get_full_path|urlencode %}" />
    <input type="hidden" name="title" value="{{ title }}" />
    <button id="bookmark-button" type="submit">Add</button>
</form>
{% endif %}