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Extending the Metadata System

The Windows Communication Foundation (WCF) metadata system is a group of classes and interfaces that represent metadata required to implement service-based applications. Modify or extend the classes or implement and configure the interfaces to export and import custom metadata such as Web Services Description Language (WSDL) extensions or custom WS-PolicyAttachments assertions.

Exporting Custom Metadata for a WCF Extension

Describes how to implement and use the System.ServiceModel.Description.IPolicyExportExtension interface to embed custom policy assertions in WSDL documents.

Importing Custom Metadata for a WCF Extension

Describes how to implement and use the System.ServiceModel.Description.IPolicyImportExtension interface to read and respond to custom policy assertions in WSDL documents.

Publishing and Retrieving Metadata Over a Custom Binding

Describes how to exchange metadata over custom bindings.

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