Add a custom menu to the WordPress dashboard

This code snippet allows you to add a custom menu to the dashboard in WordPress.

PHP

function custom_admin_menu() {
   add_menu_page( 'Custom Menu Title', 'Custom Menu', 'manage_options', 'custom-menu', 'custom_menu_function', 'dashicons-admin-generic', 6  );
}
add_action( 'admin_menu', 'custom_admin_menu' );

function custom_menu_function() {
  // e.g. put a few links to your frequently accessed pages here
}