public function reset_attendees_cache( $order_id ) {

		// Get the items purchased in this order
		$order       = new WC_Order( $order_id );
		$order_items = $order->get_items();

		// Bail if the order is empty
		if ( empty( $order_items ) ) {
			return;
		}

		// Iterate over each product
		foreach ( (array) $order_items as $item_id => $item ) {
			$product_id = isset( $item['product_id'] ) ? $item['product_id'] : $item['id'];
			// Get the event this tickets is for
			$post_id = get_post_meta( $product_id, $this->event_key, true );

			/**
			 * Action fired when an attendee data is updated when on the cache.
			 *
			 * @since 4.10.1.2
			 *
			 * @param int $post_id ID of the event associated with the order.
			 * @param int $order_id ID of the order attached to this event.
			 * @param array $item Details of the order
			 */
			do_action( 'tribe_tickets_plus_woo_reset_attendee_cache', $post_id, $order_id, $item );

			if ( ! empty( $post_id ) ) {
				// Delete the attendees cache for that event
				tribe( 'post-transient' )->delete( $post_id, Tribe__Tickets__Tickets::ATTENDEES_CACHE );
			}
		}
	}