Extending the Policy Injection Application Block
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You can extend the Policy Injection Application Block through designated extension points. Typically, this requires you to create custom classes that implement a particular interface or derive from an abstract base class. For more information about implementation details, see Extending and Modifying the Unity Application Block. Because these custom classes exist in your application space, you do not have to modify or rebuild the application block; instead, you can designate your extensions through configuration settings.
If you create a new matching rule or handler, you can add design support so that it is easier for users find and configure. For more details, see Configuration for Custom Matching Rules and Handlers.