<PixiChangeAddressPost200TextXmlResponse>
  <Result>string</Result>
</PixiChangeAddressPost200TextXmlResponse>

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:pixiChangeAddress>
            <BIC xsi:type="xsd:string"></BIC>
            <BLZ xsi:type="xsd:string"></BLZ>
            <Fax xsi:type="xsd:string"></Fax>
            <ZIP xsi:type="xsd:string"></ZIP>
            <City xsi:type="xsd:string"></City>
            <Fax2 xsi:type="xsd:string"></Fax2>
            <IBAN xsi:type="xsd:string"></IBAN>
            <Note xsi:type="xsd:string"></Note>
            <Phone xsi:type="xsd:string"></Phone>
            <State xsi:type="xsd:string"></State>
            <VatId xsi:type="xsd:string"></VatId>
            <eMail xsi:type="xsd:string"></eMail>
            <Anrede xsi:type="xsd:string"></Anrede>
            <CareOf xsi:type="xsd:string"></CareOf>
            <Phone2 xsi:type="xsd:string"></Phone2>
            <Street xsi:type="xsd:string"></Street>
            <AccName xsi:type="xsd:string"></AccName>
            <Account xsi:type="xsd:string"></Account>
            <Country xsi:type="xsd:string"></Country>
            <HouseNr xsi:type="xsd:string"></HouseNr>
            <OrderNr xsi:type="xsd:integer">123456</OrderNr>
            <ASlocked xsi:type="xsd:string"></ASlocked>
            <AddrType xsi:type="xsd:string">B</AddrType> <!-- required -->
            <BankName xsi:type="xsd:string"></BankName>
            <LastName xsi:type="xsd:string"></LastName>
            <FirstName xsi:type="xsd:string"></FirstName>
            <CardHolderName xsi:type="xsd:string"></CardHolderName>
            <FunctionResult xsi:type="xsd:string"></FunctionResult>
            <OrderNrExternal xsi:type="xsd:string">abc123</OrderNrExternal>
        </ns1:pixiChangeAddress>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

<?php

getPixiSoapClientResponse('pixiChangeAddress', [
    'BIC' => '', // string
    'BLZ' => '', // string
    'Fax' => '', // string
    'ZIP' => '', // string
    'City' => '', // string
    'Fax2' => '', // string
    'IBAN' => '', // string
    'Note' => '', // string
    'Phone' => '', // string
    'State' => '', // string
    'VatId' => '', // string
    'eMail' => '', // string
    'Anrede' => '', // string
    'CareOf' => '', // string
    'Phone2' => '', // string
    'Street' => '', // string
    'AccName' => '', // string
    'Account' => '', // string
    'Country' => '', // string
    'HouseNr' => '', // string
    'OrderNr' => '123456', // integer
    'ASlocked' => '', // string
    'AddrType' => 'B', // string (required)
    'BankName' => '', // string
    'LastName' => '', // string
    'FirstName' => '', // string
    'CardHolderName' => '', // string
    'FunctionResult' => '', // string
    'OrderNrExternal' => 'abc123', // string
]);

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);
}