<env:Envelope xmlns:env=“schemas.xmlsoap.org/soap/envelope/”

            xmlns:opc="http://mlp.op.fi/OPCertificateService">
<env:Header/>
<env:Body>
  <opc:getCertificatein>
    <opc:RequestHeader>
      <opc:SenderId/>
      <opc:RequestId/>
      <opc:Timestamp/>
    </opc:RequestHeader>
    <opc:ApplicationRequest/>
  </opc:getCertificatein>
</env:Body>

</env:Envelope>