<PixiReadCustomersPost200TextXmlResponse>
  <CustKey>0</CustKey>
  <AddrRef>0</AddrRef>
  <UserName>string</UserName>
  <Password>string</Password>
  <BtxNr>string</BtxNr>
  <DLocked>string</DLocked>
  <ShipRef>0</ShipRef>
  <CardType>string</CardType>
  <CardName>string</CardName>
  <CardNr>string</CardNr>
  <CardExp>string</CardExp>
  <Account>string</Account>
  <BLZ>string</BLZ>
  <BankName>string</BankName>
  <AccName>string</AccName>
  <WaitDays>0</WaitDays>
  <MinOrderQty>0</MinOrderQty>
  <LSType>string</LSType>
  <Discountable>string</Discountable>
  <NoInvoice>string</NoInvoice>
  <NextShipImmed>string</NextShipImmed>
  <SLocked>string</SLocked>
  <eMailInfo>string</eMailInfo>
  <Payment>string</Payment>
  <UseShipAddr>string</UseShipAddr>
  <SAnrede>string</SAnrede>
  <SName>string</SName>
  <SName2>string</SName2>
  <SCareOf>string</SCareOf>
  <SAddress>string</SAddress>
  <SCity>string</SCity>
  <SState>string</SState>
  <SZIP>string</SZIP>
  <SCountry>string</SCountry>
  <SZIPMB>string</SZIPMB>
  <SMailbox>string</SMailbox>
  <WaitHour>0</WaitHour>
  <WaitMinute>0</WaitMinute>
  <CustomerOf>string</CustomerOf>
  <CreateDate>string</CreateDate>
  <CreateEmp>string</CreateEmp>
  <UpdateDate>string</UpdateDate>
  <UpdateEmp>string</UpdateEmp>
  <Discount>string</Discount>
  <CustomerNrExternal>string</CustomerNrExternal>
  <BulkShip>string</BulkShip>
  <IssueNr>string</IssueNr>
  <CeMail>string</CeMail>
  <CAddrNr>string</CAddrNr>
  <CLangCode>string</CLangCode>
  <CNote>string</CNote>
  <CHisNote>string</CHisNote>
  <SFirstName>string</SFirstName>
  <SLastName>string</SLastName>
  <SStreet>string</SStreet>
  <SHouseNr>string</SHouseNr>
  <TaxOnInvoice>string</TaxOnInvoice>
  <NoShipCosts>string</NoShipCosts>
  <ZZSkontoProzent>0</ZZSkontoProzent>
  <ZZSkonto>0</ZZSkonto>
  <ZZNetto>0</ZZNetto>
  <CFax>string</CFax>
  <CPhone>string</CPhone>
  <VATID>string</VATID>
  <Rabat>string</Rabat>
  <POSCustomer>string</POSCustomer>
  <ReminderAction>string</ReminderAction>
  <DaysForFirstReminder>0</DaysForFirstReminder>
  <DaysForNextReminder>0</DaysForNextReminder>
  <ReminderCost>0</ReminderCost>
  <ReminderDueDays>0</ReminderDueDays>
  <InvoiceDueDays>0</InvoiceDueDays>
  <Person_Id>0</Person_Id>
</PixiReadCustomersPost200TextXmlResponse>

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:pixiReadCustomers>
            <CustKey xsi:type="xsd:integer"></CustKey>
            <RowCount xsi:type="xsd:integer"></RowCount>
            <CreateDateTo xsi:type="xsd:string"></CreateDateTo>
            <UpdateDateTo xsi:type="xsd:string"></UpdateDateTo>
            <CreateDateFrom xsi:type="xsd:string"></CreateDateFrom>
            <UpdateDateFrom xsi:type="xsd:string"></UpdateDateFrom>
            <CreateAndUpdateDateTo xsi:type="xsd:string"></CreateAndUpdateDateTo>
            <CreateAndUpdateDateFrom xsi:type="xsd:string"></CreateAndUpdateDateFrom>
        </ns1:pixiReadCustomers>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

<?php

getPixiSoapClientResponse('pixiReadCustomers', [
    'CustKey' => '', // integer
    'RowCount' => '', // integer
    'CreateDateTo' => '', // string
    'UpdateDateTo' => '', // string
    'CreateDateFrom' => '', // string
    'UpdateDateFrom' => '', // string
    'CreateAndUpdateDateTo' => '', // string
    'CreateAndUpdateDateFrom' => '', // 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);
}