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Creating Selective Navigation Hierarchy

Problem

You want to create a nav but don’t want to start at the top level. Using the following example section structure, show 2 levels deep inside of Software A (everything that is starred):

Software A
    Item 1        **
         Item x   **
         Item y   **
         Item z   **
    Item 2        **
    Item 3        **
Software B
    Item 1
    Item 2
    etc...
Software C

Solution

{% set topEntry = craft.entries.depth(1).slug('software-a').first() %}

<ul>
    {% nav subEntry in topEntry.getDescendants() %}
        <li>{{ subEntry.title }}
            {% ifchildren %}<ul>{% children %}</ul>{% endifchildren %}
        </li>
    {% endnav %}
</ul>

Start by grabbing Software A’s entry, however you want to do that, and then passing its descendants into the {% nav %} tag.

Submitted by Sprocketeer on 1st February, 2017