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Property

Meaning in Life

Action

Gets or sets the WS-Addressing action of the request message.

AsyncPattern

Indicates if the operation is implemented asynchronously using a Begin/End

method pair on the service. This allows the service to offload processing to

another server-side thread; this has nothing to do with the client calling the

method asynchronously! 

IsInitiating

Specifies if this operation can be the initial operation in a session.

IsOneWay

Indicates if the operation consists of only a single input message (and no

associated output).

IsTerminating

Specifies if the WCF runtime should attempt to terminate the current session

after the operation completes.

For this initial example, we don’t need to configure the ObtainAnswerToQuestion() method with

additional traits, so the [OperationContract] attribute can be used as currently defined.