Media Server 23.3

# KeepLatestRecords

Instructs Media Server to keep records generated by a processing session in memory, so that they can be retrieved using the action GetLatestRecords. These actions can be used by front-end applications to provide a preview of what Media Server has processed.

NOTE: Media Server only generates records in tracks that are used. For example, if you run face detection but do not use the face detection data track as the input for another task, Media Server does not generate records in that track.

NOTE: You should not use this action to retrieve results from Media Server. If you need to retrieve results through ACI, Media Server provides an ACI response output engine.

Type: synchronous

Parameter | Description | Required
--- | --- | ---
`Size` | The number of records to keep in memory for each specified track. The default is a single record per track. | No
`Token` | The session to keep records for. Specify the action token returned by the Process action. | Yes
`Tracks` | A comma-separated list of tracks to keep records for. | Yes

## Example

The following example keeps five records for each of the specified tracks:

    /action=KeepLatestRecords
                  &Token=...
                  &Tracks=FaceDetect.DataWithSource,ObjectRecognition.DataWithSource
                  &Size=5

To change the selection, run the action again. For example, to stop keeping records from the `ObjectRecognition` task, but still keep five records from the `FaceDetect` task, specify the `ObjectRecognition.DataWithSource` track and set the `size` to zero:

    /action=KeepLatestRecords
                  &Token=...(same as before)
                  &Tracks=ObjectRecognition.DataWithSource
                  &Size=0

## Response

    <autnresponse>
        <action>KEEPLATESTRECORDS</action>
        <response>SUCCESS</response>
        <responsedata> </responsedata>
    </autnresponse>

Copyright 2023 Open Text
Version 23.3 | Last updated June 2023

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Product: IDOL Media Server 23.3

Topic Title: KeepLatestRecords