Get all post objects of a custom post type related to the current post. Advanced Custom Fields.

WP - ACF get related posts

<?php
  $custom_posts = get_posts(array(
    'post_type'  => 'custom_post_type',
    'orderby'    => 'menu_order',
    'order'      => 'ASC',
    'meta_query' => array(
      array(
        'key'     => 'relationship_field_name',
        'value'   => '"' . get_the_ID() . '"',
        'compare' => 'LIKE'
      )
    )
  ));
?>

<?php if( $custom_posts ):?>
  <?php foreach( $custom_posts as $custom_post ): ?>
  
  <?php endforeach; ?>
<?php endforeach; ?>