HTTP + XML
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /xml/reply/GetPreorderEnrollmentsExportRequest HTTP/1.1 
Host: api-beta.ghs-automotive.nl 
Content-Type: application/xml
Content-Length: length
<GetPreorderEnrollmentsExportRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/S1.Api.Domain.Models.Preorders">
  <Id>0</Id>
</GetPreorderEnrollmentsExportRequest>
 
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: length
(byte[])