Part-DB-server/templates/assemblies/info/_subassemblies.html.twig

<table class="table table-striped table-hover">
    <thead>
        <tr>
            <th>{% trans %}name.label{% endtrans %}</th>
            <th>{% trans %}description.label{% endtrans %}</th>
            <th># {% trans %}assembly.info.bom_entries_count{% endtrans %}</th>
            <th># {% trans %}assembly.info.sub_assemblies_count{% endtrans %}</th>
        </tr>
    </thead>
    <tbody>
        {% for subassembly in assembly.children %}
            <tr>
                <td> {# Name #}
                    <a href="{{ entity_url(subassembly, 'info') }}">{{ subassembly.name }}</a>
                </td>
                <td> {# Description #}
                    {{ subassembly.description | format_markdown }}
                </td>
                <td>
                    {{ subassembly.bomEntries | length }}
                </td>
                <td>
                    {{ subassembly.children | length }}
                </td>
            </tr>
        {% endfor %}
    </tbody>
</table>