public function toMail(object $notifiable) 	{ 		return (new MailMessage) 					->subject(__('emails.shipping-info-updated')) 					->line(__('emails.shipping-number-created', ['ordernumber' => $this->order->order_number])) 					->line(__('emails.shipping-number', ['shippingnumber' => $this->shippingNumber])) 					->action(__('emails.track-order'), url($this->shippingProviderInterface->createTrackingLink($this->shippingNumber))) 					->line(__('emails.final-words')); 	}