WordPress at a glance
action is not described

page_attributes_misc_attributes action-hook . WP 4.9.0

Fires before the help hint text in the 'Page Attributes' meta box.

Usage

add_action( 'page_attributes_misc_attributes', 'action_function_name_3771' );
function action_function_name_3771( $post ){
	// action...
}
$post(WP_Post)
The current post.

Where the hook is called

page_attributes_meta_box()
wp-admin/includes/meta-boxes.php 910
do_action( 'page_attributes_misc_attributes', $post );

Where the hook is used (in WP core)

Does not used.