15.6 Retrieve Transaction

15.6 Retrieve Transaction (Current)
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This Transaction retrieves an existing Modality Performed Procedure Step. It corresponds to the MPPS DIMSE N-GET Operation (see Section F.8.2.1 in PS3.4 ).

15.6.1 Request

The request shall have the following syntax:

GET SP /modality-performed-procedure-steps/{mppsUID}{?includefield*} SP version CRLF

Accept: 1#media-type CRLF

*(header-field CRLF)

CRLF

15.6.1.1 Target Resources

The Target Resource of this Transaction is an individual Modality Performed Procedure Step identified by its MPPS UID.

15.6.1.2 Query Parameters

The origin server shall support the includefield Query Parameter. This specifies the Attributes that shall be included in the response. The value is either a comma-separated list of attributes, or the single keyword "all", which means that all available attributes of the object should be included in the response.

includefield = *("includefield" "=" (1#attribute / "all") )

There may be one or more includefield parameters; however, if a parameter with the value of "all" is present, then other includefield parameters shall not be present.

The includefield parameter corresponds to DIMSE's Table F.8.2-1 “Modality Performed Procedure Step Retrieve SOP Class N-GET Attributes” in PS3.4 .

The user agent may supply includefield Query Parameters as described above.

15.6.1.3 Request Header Fields

The origin server shall support Request Header Fields as required in Table 15.6.1-1.

The user agent shall supply Request Header Fields as required in Table 15.6.1-1.

Table 15.6.1-1. Request Header Fields

Name	Values	Usage		Description
Name	Values	User Agent	Origin Server	Description
Accept	media-type	M	M	The Acceptable Media Types of the response payload.

See Section 8.4.

15.6.1.4 Request Payload

The request shall have no payload.

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15.5.3.3 Response Payload	Home	15.6.2 Behavior