{% set options = { items: {'@page.children': '/agenda'}, 'limit': 3, 'order': {'by': 'date', 'dir': 'desc'} } %}
{% set h2 = h2 ?: 'h2' %}
{% set h3 = h3 ?: 'h3' %}

<div class="sidebar">
  <{{h2}}>À venir</{{h2}}>
  {% for p in page.collection(options)%}
    <div class="side-agenda">
      <a href="{{p.url}}">
        {% include 'partials/blog/date.html.twig' with {page: p } %}
        <{{h3}}>{{p.title}}</{{h3}}>
        {{p.summary(70)}}
      </a>
    </div>
  {% endfor %}
  <div class="side-all-agenda">
    <a href="/agenda">voir tout l'agenda</a>
  </div>
</div>