WP Query - Children of Parent Page

snippet.php

<?php
 
$args = [
'post_type'      => 'page',
'posts_per_page' => -1,
'post_parent'    => $post->ID,
'order'          => 'ASC',
'orderby'        => 'menu_order'
];
 
 
$parent = new WP_Query( $args );
 
if ( $parent->have_posts() ) : ?>
 
<?php while ( $parent->have_posts() ) : $parent->the_post(); ?>
    
    
 
<?php endwhile; ?>

<?php wp_reset_postdata(); ?>
 
<?php endif; ?>