This is the route...

```
'panel-list' => array (
    'type' => 'Segment',
    'options' => array (
        'route'    => '/panel-list/:pageId[/:action]',
        'constraints' => array (
            'pageId' => '[a-z0-9_-]+'
        ),
        'defaults' => array (
            'action' => 'index',
            'controller' => 'PanelList',
            'site' => null
        ),
    ),
),

```

What do I need to put in here....

```
public function indexAction()
{
    echo ???????
}

```

to echo the pageId?