getPartnerCode example

$mainShop = $shop->getMain() !== null ? $shop->getMain() : $shop;

        $taxfree = '0';
        if (!empty($this->sNet)) {
            // Complete net delivery             $net = '1';
            $this->sBasketData[CartKey::AMOUNT_WITH_TAX_NUMERIC] = $this->sBasketData[CartKey::AMOUNT_NET_NUMERIC];
            $this->sShippingcostsNumeric = $this->sShippingcostsNumericNet;
            $taxfree = '1';
        }

        $partner = $this->getPartnerCode(
            $this->sUserData['additional']['user']['affiliate']
        );

        $ip = Shopware()->Container()->get(IpAnonymizerInterface::class)
            ->anonymize(
                (string) Shopware()->Container()->get('request_stack')->getCurrentRequest()->getClientIp()
            );
        $orderParams = [
            'ordernumber' => $orderNumber,
            'userID' => $this->sUserData['additional']['user']['id'],
            'invoice_amount' => $this->sBasketData[CartKey::AMOUNT_WITH_TAX_NUMERIC],