how do i stop serializing the parameter name in the WCF?

[saininja]

The following is my WCF interface, and how do i stop serializing the parameter name "scheme" ?Thanks-Chandra\[code\][ServiceContract(Namespace = "CompareYourTravelInsurance.Services")]public interface IMSMWcf{ [OperationContract( Action = "CompareYourTravelInsurance.Services/SearchSchemes", Name = "SearchSchemes", ReplyAction = "CompareYourTravelInsurance.Services/SearchSchemes" ), XmlSerializerFormat] List<QuoteResult> SearchSchemes(object scheme); [OperationContract( Action = "CompareYourTravelInsurance.Services/SaveTravellerInformation", Name = "SaveTravellerInformation" ), XmlSerializerFormat] void SaveTravellerInformation(XmlElement scheme); [OperationContract( Action = "CompareYourTravelInsurance.Services/SendData", Name = "SendData", ReplyAction = "CompareYourTravelInsurance.Services/SendData" )] MsmData SendData(string QuoteDetailsRef);}\[/code\]