_urlInterface = $urlInterface; parent::__construct($context); } public function getPreviewUrl($carrierName, $identifier, $label = "", $useJs = false, $pickupId = 0) { if (empty($label)) { $label = $identifier; } $urlToGo = $this->_urlInterface->getUrl( 'shipping_awb/index/preview', [ 'carrier' => $carrierName, 'identifier' => $identifier, 'pickup_id' => $pickupId, '_secure' => true ] ); return '' . $label . ""; } }