An example Chapter level template for Grav that generates a collection of all child pages, and outputs a menu of the child pages.
#grav #twig #template
{% extends 'docs.html.twig' %}
{% block content %}
<div id="chapter">
<div id="body-inner">
<h1>{{ page.title }}</h1>
{{ page.content }}
{% set options = { items: {'@page.children': page.route}, 'limit': 30, 'order': {'by': 'default', 'dir': 'asc'}, 'pagination': false } %}
{% set my_collection = page.collection(options) %}
<div id="chapter-links">
<p><strong>The following topics are covered in this section:</strong><br>
{% for p in my_collection %}
<a href="{{ p.url }}">{{ p.title }}</a><br/>
{% endfor %}
</p>
</div>
</div>
</div>
{% endblock %}