public function save_attendee_meta_to_order( $order_id, $from_status = null ) {
		$order       = new WC_Order( $order_id );
		$order_items = $order->get_items();

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

		$product_ids = array();

		// gather product ids
		foreach ( (array) $order_items as $item ) {
			$product_ids[] = isset( $item['product_id'] ) ? $item['product_id'] : $item['id'];
		}

		$meta_object = Tribe__Tickets_Plus__Main::instance()->meta();

		// build the custom meta data that will be stored in the order meta
		if ( ! $order_meta = $meta_object->build_order_meta( $product_ids ) ) {
			return;
		}

		// store the custom meta on the order
		update_post_meta( $order_id, Tribe__Tickets_Plus__Meta::META_KEY, $order_meta, true );

		if ( 'pending' === $from_status ) {
			$this->clear_meta_cookie_data_for_products( $product_ids );
		}
	}