<PixiGetInvoicePost200TextXmlResponse>
  <TotalRows>0</TotalRows>
  <InvoiceNr>string</InvoiceNr>
  <InvoiceDate>string</InvoiceDate>
  <ShopID>string</ShopID>
  <PaymentAddressId>0</PaymentAddressId>
  <ShipmentAddressId>0</ShipmentAddressId>
  <CustKey>0</CustKey>
  <Total>0</Total>
  <VATSum>0</VATSum>
  <VATHigh>0</VATHigh>
  <VATLow>0</VATLow>
  <TotalNoVAT>0</TotalNoVAT>
  <ShipCost>0</ShipCost>
  <ShipCostNoVAT>0</ShipCostNoVAT>
  <Discount_Invoice>0</Discount_Invoice>
  <Discount_InvLines>0</Discount_InvLines>
  <PaymentCode>string</PaymentCode>
  <PaymentText>string</PaymentText>
  <PaymentDate>string</PaymentDate>
  <Paid>true</Paid>
  <TotalToPay>0</TotalToPay>
  <PaidSum>0</PaidSum>
  <CcCardType>string</CcCardType>
  <CcCardNr>string</CcCardNr>
  <CcCardName>string</CcCardName>
  <CcCardExp>string</CcCardExp>
  <Account>string</Account>
  <Blz>string</Blz>
  <BankName>string</BankName>
  <AccountName>string</AccountName>
  <TrackingID>string</TrackingID>
  <ShipDate>string</ShipDate>
  <UpdateDate>string</UpdateDate>
  <ReminderLevel>0</ReminderLevel>
  <OrderNr>0</OrderNr>
  <OrderNrExternal>string</OrderNrExternal>
  <Note>string</Note>
  <ShipVendor>string</ShipVendor>
  <CcpPayID>string</CcpPayID>
  <Currency>string</Currency>
  <OrderCurrency>string</OrderCurrency>
  <TotalToPay_OrderCurr>0</TotalToPay_OrderCurr>
  <ReturnReason>string</ReturnReason>
  <InvoiceKey>0</InvoiceKey>
  <RefToInvoiceNr>string</RefToInvoiceNr>
  <RefToInvoiceKey>0</RefToInvoiceKey>
  <ReturnCostsAmount>0</ReturnCostsAmount>
  <CreateEmp>string</CreateEmp>
  <ExchangeRate>0</ExchangeRate>
  <ReturnTrackingId>string</ReturnTrackingId>
  <ReturnTrackingIdHistory>string</ReturnTrackingIdHistory>
</PixiGetInvoicePost200TextXmlResponse>

POST https://apigateway.descartes.com/tms/pixi/
Content-Type: text/xml; charset=utf-8
# echo -n '{{username}}:{{password}}' | base64 | pbcopy
Authorization: Basic {{token}}

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
                   xmlns:ns1="https://apigateway.descartes.com/tms/pixi/"
                   xmlns:xsd="http://www.w3.org/2001/XMLSchema"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
    <SOAP-ENV:Body>
        <ns1:pixiGetInvoice>
            <ShopID xsi:type="xsd:string">ABC</ShopID>
            <OrderNR xsi:type="xsd:integer">1234567890</OrderNR>
            <RowCount xsi:type="xsd:integer">12345</RowCount>
            <StartKey xsi:type="xsd:integer">12345</StartKey>
            <InvDateTo xsi:type="xsd:string">YYYY-MM-DD hh:mm:ss</InvDateTo>
            <InvoiceNr xsi:type="xsd:string">123abc</InvoiceNr>
            <ShipDateTo xsi:type="xsd:string">YYYY-MM-DD hh:mm:ss</ShipDateTo>
            <AddCCPPayID xsi:type="xsd:boolean">1</AddCCPPayID>
            <InvDateFrom xsi:type="xsd:string">YYYY-MM-DD hh:mm:ss</InvDateFrom>
            <PaymentType xsi:type="xsd:string">A</PaymentType>
            <ShipDateFrom xsi:type="xsd:string">YYYY-MM-DD hh:mm:ss</ShipDateFrom>
            <UpdateDateTo xsi:type="xsd:string">YYYY-MM-DD hh:mm:ss</UpdateDateTo>
            <UpdateDateFrom xsi:type="xsd:string">YYYY-MM-DD hh:mm:ss</UpdateDateFrom>
            <OrderNRExternal xsi:type="xsd:string">123abc</OrderNRExternal>
            <OnlyUnpaidInvoices xsi:type="xsd:boolean">1</OnlyUnpaidInvoices>
        </ns1:pixiGetInvoice>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

<?php

getPixiSoapClientResponse('pixiGetInvoice', [
    'ShopID' => 'ABC', // string
    'OrderNR' => '1234567890', // integer
    'RowCount' => '12345', // integer
    'StartKey' => '12345', // integer
    'InvDateTo' => 'YYYY-MM-DD hh:mm:ss', // string
    'InvoiceNr' => '123abc', // string
    'ShipDateTo' => 'YYYY-MM-DD hh:mm:ss', // string
    'AddCCPPayID' => '1', // boolean
    'InvDateFrom' => 'YYYY-MM-DD hh:mm:ss', // string
    'PaymentType' => 'A', // string
    'ShipDateFrom' => 'YYYY-MM-DD hh:mm:ss', // string
    'UpdateDateTo' => 'YYYY-MM-DD hh:mm:ss', // string
    'UpdateDateFrom' => 'YYYY-MM-DD hh:mm:ss', // string
    'OrderNRExternal' => '123abc', // string
    'OnlyUnpaidInvoices' => '1', // boolean
]);

function getPixiSoapClientResponse(string $method, array $arguments = [])
{
    $soapArguments = [];
    foreach ($arguments as $key => $value) {
        $soapArguments[] = new SoapVar($value, null, '', '', $key);
    }

    $soapClient = new SoapClient(null, [
        'login' => '...',
        'password' => '...',
        'uri' => 'https://apigateway.descartes.com/tms/pixi/',
        'location' => 'https://apigateway.descartes.com/tms/pixi/',
    ]);

    return $soapClient->__call($method, $soapArguments);
}