do_action( 'add_meta_boxes', string $object_type, WP_Post|WP_Comment|object $object )

1686	 *1687	 * @param string                    $object_type The type of the current object that meta boxes were added to.1688	 *                                               Can be 'post', 'page', custom post types, 'comment', or 'link'.1689	 * @param WP_Post|WP_Comment|object $object      The post, comment, or link object. Type varies depending on1690	 *                                               `$object_type`.1691	 */1692	do_action( 'add_meta_boxes', $post_type, $post );1693 1694	/**1695	 * Fires after all built-in meta boxes have been added, contextually for the given post type.1696	 *1697	 * The dynamic portion of the hook name, `$post_type`, refers to the post type of the post,1698	 * or the object type (comment, link).