Specifies whether the message parts are encoded as abstract type definitions or concrete schema definitions.
This enumeration applies to extensibility elements which specify that data transmissions use the SOAP protocol, and which are added to System.Web.Services.Description.FaultBinding, System.Web.Services.Description.InputBinding and System.Web.Services.Description.OutputBinding instances.
For more information about specifying protocols for XML Web services, see [<topic://cpconbuildingaspnetwebservices>]. For more information about Web Services Description Language (WSDL), see the specification at http://www.w3.org/TR/wsdl/.