HTTP + SOAP11
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /soap11 HTTP/1.1 
Host: api.podapp.com.au 
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: SetMessagesAcknowledgedV2Request
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <soap:Body>
<SetMessagesAcknowledgedV2Request xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Transfocus.POD.WS.Services">
  <AuthToken xmlns="http://schemas.datacontract.org/2004/07/Transfocus.POD.WS.Services.Objects">00000000-0000-0000-0000-000000000000</AuthToken>
  <MessageIDs xmlns:d2p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
    <d2p1:guid>00000000-0000-0000-0000-000000000000</d2p1:guid>
  </MessageIDs>
</SetMessagesAcknowledgedV2Request>
    </soap:Body>
</soap:Envelope>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <soap:Body>
<SetMessagesAcknowledgedV2Response xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Transfocus.POD.WS.Services">
  <ErrorCode xmlns="http://schemas.datacontract.org/2004/07/Transfocus.POD.WS.Services.Objects">0</ErrorCode>
  <ErrorMessage xmlns="http://schemas.datacontract.org/2004/07/Transfocus.POD.WS.Services.Objects">String</ErrorMessage>
  <Success xmlns="http://schemas.datacontract.org/2004/07/Transfocus.POD.WS.Services.Objects">false</Success>
</SetMessagesAcknowledgedV2Response>
    </soap:Body>
</soap:Envelope>