To override the Content-type in your clients, use the HTTP Accept Header, append the .xml suffix or ?format=xml
HTTP + XML
The following are sample HTTP requests and responses.
The placeholders shown need to be replaced with actual values.
POST /xml/oneway/HelloWithGenericInheritance HTTP/1.1
Host: test.servicestack.net
Accept: application/xml
Content-Type: application/xml
Content-Length: length
<HelloWithGenericInheritance xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Test.ServiceModel">
<Counts xmlns:d2p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
<d2p1:int>0</d2p1:int>
</Counts>
<Items xmlns:d2p1="http://schemas.datacontract.org/2004/07/Test.ServiceModel.Types">
<d2p1:Poco>
<d2p1:Name>String</d2p1:Name>
</d2p1:Poco>
</Items>
<Result>String</Result>
</HelloWithGenericInheritance>