DICOM PS3.18 2021b - Web Services

11.6 Update Workitem Transaction (Current)
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## 11.6 Update Workitem Transaction

This transaction modifies Attributes of an existing Workitem. It corresponds to the UPS DIMSE N-SET operation.

### 11.6.1 Request

The request shall have the following syntax:

    POST SP /workitems/{workitem}?{transaction-uid} SP version CRLF

    Content-Type: dicom-media-type CRLF

    (Content-Length: uint / Content-Encoding: encoding) CRLF

    Content-Location: url CRLF

    *(header-field CRLF)

    CRLF

    Payload

The user agent shall conform to the SCU behavior specified in Section CC.2.6.2 “Service Class User Behavior” in PS3.4.

#### 11.6.1.1 Target Resources

The Target Resource for this transaction is a Workitem.

#### 11.6.1.2 Query Parameters

The origin server and user agent shall supply the Common Query Parameters in Section 11.1.2.

The origin server shall also supply the Transaction UID Query Parameter, which specifies the Transaction UID of the Workitem to be updated.

#### 11.6.1.3 Request Header Fields

The origin server shall support header fields as required in Table 11.6.1-1.

The user agent shall supply in the request header fields as defined in Table 11.6.1-1.

Table 11.6.1-1. Request Header Fields

Name | Values | Usage | Description
--- | --- | --- | ---
User Agent | Origin Server
Content-Type | dicom-media-type | M | M | The media-type of the payload
Content-Length | uint | C | M | Shall be present if a content encoding has not been applied to the payload
Content-Encoding | encoding | C | M | Shall be present if a content encoding has been applied to the payload

See also Section 8.4.

#### 11.6.1.4 Request Payload

The request payload contains a dataset with the changes to the target Workitem. The dataset shall include all elements that are to be modified. All modifications to the Workitem shall comply with all requirements described in Section CC.2.6.2 in PS3.4 .

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DICOM PS3.18 2021b - Web Services