$pages->sortBy($field, $direction = 'asc', $method = SORT_REGULAR)

• $field (string)
  The field from the content file
• $direction (string)
  The sort direction: ascending (asc) or descending (desc)
• $method (int)
  The sort flag, e.g. SORT_REGULAR, SORT_NUMERIC etc.
• return ($pages)
  

Example

<ul>
  <?php foreach($page->children()->sortBy('title', 'desc') as $subpage): ?>
  <li>
    <a href="<?= $subpage->url() ?>">
      <?= html($subpage->title()) ?>
    </a>
  </li>
  <?php endforeach ?>
</ul>

It's also possible to sort by more than one field like this:

<?php
$articles = page('blog')->children()->sortBy('date', 'desc', 'time', 'asc');
?>