Events and Page Attributes / meta

Hi,

I'm following along with your tutorial on “Using Page Attributes to add Facebook Open Graph Tags and Twitter Cards”.

https://solutions.grabaperch.com/integrations/facebook-and-twitter-sharing

Where I'm getting stuck is on the Events app, where nothing at all is showing in the head of my site. The handy 'perch_blog_post_meta(perch_get('s'));' is great. Is there nothing for Events that is equivalent? Do I have to rewrite templates that draw upon the events data myself?

<?php perch_layout('global-header');

# get the post
$event = perch_events_custom(array(
      'filter'        => 'eventSlug',
      'match'         => 'eq',
      'value'         => perch_get('s'),
      'skip-template' => 'true',
      'return-html'   => 'true',
  ));
// echo '<pre>';
//   var_dump($event);
// echo '</pre>';
# set up the variables
$domain        = 'https://'.$_SERVER["HTTP_HOST"];
$title       = $event['0']['eventTitle'];
$longdescription = strip_tags($event['0']['eventDescHTML']);
$description = substr($longdescription,0,157) . '...'; // Shorten the event HTML
if (isset($event[0]['fbimage'])) {
    $fbimage = $event[0]['fbimage'];
} else {
    $fbimage = $domain . '/perch/resources/' . $event['0']['image']['sizes']['w1200h630c1']['path'];
}
# use the variables in the array value
perch_page_attributes_extend(array(
    'description'    => $description,
    'og_description' => $description,
    'og_title'       => $title,
    'og_type'        => 'article',
    'sharing_image'  => $fbimage,
    'og_author'      => 'https://www.facebook.com/myfbname',
));

      perch_layout('endhead-startbody');?>

If I add 'hello' as a line of raw test into templates/pages/attributes/default.html nothing appears in the page source markup on blog or events, however it does in regular pages.

I can confirm that extra code for $fbimage works fine in generating the url.

If I var_dump $event, I see all the relevant information.

Can you please offer any advice on how to get the events meta to kick into gear?

Thanks!