WordPress Admin Bar Menu Example

wordpress_admin_bar_menu.php

add_action('admin_bar_menu', 'webmaster_admin_bar_menu', 99);
function webmaster_admin_bar_menu() {

   global $wp_admin_bar;

   $menus[] = array(
      'id' => 'webmaster',
      'title' => 'Web Master',
      'href' => 'http://yourdomain.com/',
      'meta' => array(
         'target' => 'blank'
      )
   );

   $menus[] = array(
      'id' => 'basecamp',
      'parent' => 'webmaster',
      'title' => 'Basecamp',
      'href' => 'http://youraccount.basecamphq.com/',
      'meta' => array(
         'target' => 'blank'
      )
   );

   $menus[] = array(
      'id' => 'email',
      'parent' => 'webmaster',
      'title' => 'Email Jeff',
      'href' => 'mailto:you@yourdomain.com',
      'meta' => array(
         'target' => 'blank'
      )
   );

   foreach ( apply_filters( 'render_webmaster_menu', $menus ) as $menu )
       $wp_admin_bar->add_menu( $menu );

}