WordPress at a glance
function is not described

wp_dashboard_secondary_output() WP 1.0

Deprecated in 3.8.0. It is no longer supported and can be removed in future releases. It is recommended to replace this function with the same one.

Deprecated dashboard secondary output.

No Hooks.

Return

Nothing (null).

Usage

wp_dashboard_secondary_output();

Code of wp dashboard secondary output: wp-admin/includes/deprecated.php WP 5.2.1

<?php
function wp_dashboard_secondary_output() {}