The Events Calendar 4.0.5 - Add Basic Offer for Events using Event Infomation

tribe-offer-structured-data.php

/**
* The Events Calendar 4.0.5 - Add Basic Offer for Events using Event Infomation
*/
add_filter( 'tribe_google_event_data', 'tribe_filter_google_markup', 10, 1 );
function tribe_filter_google_markup( $data ) {

	$event_id = get_the_id();
	$event_link = get_the_permalink();
	$event_cost = get_post_meta ($event_id, '_EventCost', true );

	$offer = (object) array(
				'@type'        => 'Offer',
				'url'          =>  $event_link,
				'price'        =>  $event_cost,
				'category'     => 'primary',
				'availability' => 'inStock',
			);

	$data[$event_id]->{'offers'} = $offer;

	return $data;

}