Media Server 25.4
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# NullClassImageData

Removes (deletes) all images from a classifier, but does not remove the training generated from the images. This means that you can run analysis but the training images are no longer stored in the database.

Removing the training images means that the training cannot be updated in future. For example, if you want to add new training images or a new class to your classifier, you will need to supply all of the images for each class again. If future versions of Media Server feature enhancements to image classification that require retraining, you will need to supply all of the images again.

Type: synchronous

Parameter | Description | Required
--- | --- | ---
`classifier` | The name of the classifier to remove image data from. | Yes

## Example

    /action=NullClassImageData&classifier=vehicles

## Response

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

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Media Server 25.4

Topic Title: NullClassImageData