public function addInvoice(\Gpupo\CommonSchema\ORM\Entity\Trading\Order\Shipping\Invoice\Invoice $invoice)
    {
        $this->invoices[] = $invoice;

        return $this;
    }
public function addInvoice(\Gpupo\CommonSchema\ORM\Entity\Trading\Order\Shipping\Invoice\Invoice $invoice)
    {
        $this->invoices[] = $invoice;

        return $this;
    }
public function addInvoice ( \ Gpupo \ CommonSchema \ ORM \ Entity \ Trading \ Order \ Shipping \ Invoice \ Invoice $ invoice ) { $ this -> invoices [ ] = $ invoice ; return $ this ; }
Add invoice.

@param \Gpupo\CommonSchema\ORM\Entity\Trading\Order\Shipping\Invoice\Invoice $invoice

@return Shipping
Add invoice .