WordPress at a glance
action is not described

add_meta_boxes_link action-hook . WP 3.0.0

Fires when link-specific meta boxes are added.

Usage

add_action( 'add_meta_boxes_link', 'action_function_name_3362' );
function action_function_name_3362( $link ){
	// action...
}
$link(object)
Link object.

Where the hook is called

In file: /wp-admin/edit-link-form.php
add_meta_boxes_link
wp-admin/edit-link-form.php 43
do_action( 'add_meta_boxes_link', $link );

Where the hook is used (in WP core)

Does not used.