WordPress at a glance
filter is not described

post_updated_messages filter-hook . WP 3.0.0

Filters the post updated messages.

Usage

add_filter( 'post_updated_messages', 'filter_function_name_4607' );
function filter_function_name_4607( $messages ){
	// filter...

	return $messages;
}
$messages(array)
Post updated messages. For defaults @see $messages declarations above.

Where the hook is called

In file: /wp-admin/edit-form-advanced.php
post_updated_messages
wp-admin/edit-form-advanced.php 183
$messages = apply_filters( 'post_updated_messages', $messages );

Where the hook is used (in WP core)

Does not used.