Media Server 25.4
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# PauseBuildObjectClassRecognizer

Pauses the training of an object class recognizer.

Object class recognizers can take a significant amount of time to train. After you have started training, by running the action BuildObjectClassRecognizer, you might want to pause training. This action pauses the training of the recognizer without losing any of the progress that has been made so far. (If you use the QueueInfo action to stop training, all progress is discarded).

You cannot use a recognizer for analysis until training is complete. To resume training a recognizer that is in the paused state, run the action BuildObjectClassRecognizer.

Type: asynchronous

Parameter | Description | Required
--- | --- | ---
`recognizer` | The name of the recognizer for which you want to pause training. | Yes

## Example

    /action=PauseBuildObjectClassRecognizer&recognizer=RoadScene

## Response

This action is asynchronous, so Media Server always returns success accompanied by a token. You can use this token with the QueueInfo action to retrieve the status of your request.

## See Also

To view the state of your object class recognizers, use the action ListObjectClassRecognizers.

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Media Server 25.4

Topic Title: PauseBuildObjectClassRecognizer