Modifying code for google cloud printing

Hi, I have set up google cloud print to automatically print my orders from woo commerce, and now I need so php code to filter the orders to route to specific printers. i have an example of what I need, can you help? <?php add_filter('google_cloud_print_proceed', 'my_google_cloud_print_proceed', 10, 7); function my_google_cloud_print_proceed($proceed, $printer_id, $title, $document, $prepend, $copies, $options) { // If it is not a WooCommerce order, then hand control back if (empty($options['order_id'])) return $proceed; // Get the order details $order_id = $options['order_id']; $order = wc_get_order($order_id); $order_meta_data = $order->get_meta_data(); /* Do something based on the order, according to what you require... if ($order_meta_data['key'] ... ) { // Suppress this print job return false; } */ // If our conditions did not match, then leave things as they were return $proceed;