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# ListClassifiers

Lists the classifiers that you have created for use with object classification.

Note: This is an administrative action that can be sent only from AdminClients (which are set in the `[Server]` section of the configuration file).

Type: synchronous

Parameter | Description | Required
--- | --- | ---
`trainingoptions` | A Boolean value (default false) that specifies whether to return the training options set for each classifier. | No

## Example

    /action=ListClassifiers&trainingoptions=TRUE

## Response

The response includes a list of classifiers, and the number of object classes that you have created in each classifier. The `state` element contains the state of the classifier. In the following example, the state is `STALE` which means that the classifier needs to be re-trained (using the action BuildClassifier).

    <autnresponse>
      <action>LISTCLASSIFIERS</action>
      <response>SUCCESS</response>
      <responsedata>
        <classifier>
          <classifier>vehicles</classifier>
          <state>STALE</state>
          <numclasses>3</numclasses>
          <trainingoptions>
            <trainingoption>
              <key>classifiertype</key>
              <value>bayesian</value>
            </trainingoption>
          </trainingoptions>
        </classifier>
      </responsedata>
    </autnresponse>

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