Show link to calendar event

I wanted to have the block show a link to the details of the event on the actual Google Calendar page. To do this, I added this code to the bottom of the _agenda_parse_event() function (before the "return $event;").

  $link = (array) $xml->link[0];
  $event['url']             = (string) $link['@attributes']['href'];
  $event['link']            = l(t('View'), $event['url']);

This allows you to add "link" to the "Display fields" on the Agenda "Configure" page.