# UnsetObjectClassRecognizerTrainingOption

Removes a training option that has been applied to an object class recognizer.

Following successful completion of this action the specified training option will take the default value.

NOTE: Removing a training option invalidates all training associated with a recognizer. After using this action, you must retrain Media Server by running the action BuildObjectClassRecognizer.

Type: synchronous

Parameter | Description | Required
--- | --- | ---
`recognizer` | The name of the recognizer to configure. | Yes
`key` | The name of the training option to remove. For a list of valid options, see SetObjectClassRecognizerTrainingOption. | Yes

## Example

This example removes the `iterations` training option from a recognizer:

    /action=UnsetObjectClassRecognizerTrainingOption&recognizer=vehicles
                                                    &key=iterations

## Response

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

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