Add "organizer" linked data to event schema markup. Event Espresso 4

organizer_event_linked_data.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

add_action(
  'AHEE__json_linked_data_for_event__template',
  'my_organizer_to_linked_data_for_event'
);

function my_organizer_to_linked_data_for_event() {
  $o_name = get_post_meta(get_the_ID(), 'organizer_name', true);
  $o_url = get_post_meta(get_the_ID(), 'organizer_url', true);

  $organizer = '{
    "@type": "Person"';
  if (! empty($o_name)) {
    $organizer .= ',"name": "' . trim($o_name) . '"';
  }
  if (! empty($o_url)) {
    $organizer .= ',"url": "' . esc_url($o_url) . '"';
  }
  $organizer .= '}';
  ?>,
  "organizer": <?php echo $organizer; ?>
  <?php
}