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<serviceDescriptionFormatExtensionTypes> Element

This topic is specific to a legacy technology. XML Web services and XML Web service clients should now be created using Windows Communication Foundation .

Specifies the service description format extension (SDFE) classes used to extend the WSDL documents generated for Web services. SDFEs provide a means of describing SOAP extensions.

      <add type="" 
      <remove type="type name"/>

The following sections describe attributes, child elements, and parent elements.



Child Elements

Element Description


Adds a specified service description format extension (SDFE) class that defines how to extend the service descriptions (WSDL documents) generated for Web services.


Removes all SDFE classes currently contained in or inherited by the specified Web.config file.


Removes a specified service description format extension (SDFE) class from within the scope of the configuration file. The value of <remove> must exactly match that of a previous <add> directive. Wildcard selections are not supported.

Parent Elements

Element Description


The root element in every configuration file used by the common language runtime and .NET Framework applications.


Specifies the root element for the ASP.NET configuration section.


Controls the settings of Web services deployed using ASP.NET and of Web service clients running on the .NET Framework.

The <serviceDescriptionFormatExtensionTypes> element specifies classes derived from the ServiceDescriptionFormatExtension class. Each such class is used in conjunction with a class derived from the SoapExtensionReflector class on the server and a class derived from the SoapExtensionImporter class on the client.