/**
 * Allow custom plugins to filter the page IDs.
 *
 * @since 2.3.0
 *
 * @see pmpro_pages_metabox_nav_links
 *
 * @param array $pmpro_page_ids {
 *     @type int account             Account page id.
 *     @type int billing             Billing page id.
 *     @type int cancel              Cancel page id.
 *     @type int checkout            Checkout page id.
 *     @type int confirmation        Confirmation page id.
 *     @type int invoice             Invoice page id.
 *     @type int levels              Levels page id.
 *     @type int member_profile_edit Profile edit page id.
 * }
 *
 * @return array $pmpro_page_ids Updated page ids.
 */
apply_filters( 'pmpro_custom_nav_menu_items', $pmpro_page_ids );