11.3 Transactions Overview

11.3 Transactions Overview (Current)
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The Worklist Service consists of the transactions in Table 11.3-1.

Table 11.3-1. Worklist Service Methods and Resource Templates

Transaction	Method	Payload		Description
Transaction	Method	Request	Success Response	Description
Create	POST	dataset	none	Creates a new Workitem
Retrieve	GET	none	dataset	Retrieves the Target Workitem
Update	POST	dataset	none	Updates the Target Workitem
Change State	PUT	none	none	Changes the state of the Target Workitem
Request Cancellation	POST	dataset	none	Requests that the origin server cancel a Workitem
Search	GET	none	results	Searches for Workitems
Subscribe	POST	none	none	Creates a Subscription to the Target Worklist or Target Workitem
Unsubscribe	DELETE	none	none	Cancels a Subscription from the Target Worklist or Target Workitem

The details of all state transition requirements can be found in Section CC.1.1 “Unified Procedure Step States” in PS3.4.

The Request Cancellation transaction does not perform an actual state transition, but it might cause a state transition.

When creating a new Workitem, to convey the Workitem UID that is to be assigned, DIMSE uses the Affected SOP instance UID in the DIMSE header. In the Web Services, the Workitem UID is included as a Query Parameter to the Create request. All Attributes in the HTTP transaction payloads are the same as those in the DIMSE payload.

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11.2 Conformance	Home	11.4 Create Workitem Transaction