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# ListEngines

Returns a list of the ingest, analysis, encoding, transform, ESP, and output engines that are included in your Media Server license. The response includes engines that you have not enabled (you can enable engines by setting the Enable configuration parameter).

For analysis engines, the response also includes the names and types of the input and output tracks.

## Example

    /action=ListEngines

## Response

The following is a sample response from the `ListEngines` action:

    <autnresponse>
       <action>LISTENGINES</action>
       <response>SUCCESS</response>
       <responsedata>
          <engines>
              <ingest>
                <engine>
                   <type>image</type>
                </engine>
                <engine>
                   <type>libav</type>
                </engine>
                <engine>
                   <type>milestoneingest</type>
                </engine>
                <engine>
                   <type>mjpeg_http</type>
                </engine>
             </ingest>
             <analysis>
                <engine>
                   <type>keyframe</type>
                   <input name="Input" type="ImageData"/>
                   <output name="Result" type="CustomData,UUIDData" isOutput="true"/>
                   <output name="ResultWithSource" type="CustomData,ImageData,UUIDData" isOutput="false"/>
                </engine>
                ...
             </analysis>
             <encoding>
                <engine>
                   <type>imageencoder</type>
                </engine>
                <engine>
                   <type>mpeg</type>
                </engine>
                <engine>
                   <type>rollingbuffer</type>
                </engine>
             </encoding>
             <output>
                <engine>
                   <type>cfs</type>
                </engine>
                <engine>
                   <type>odbc</type>
                </engine>
                <engine>
                   <type>response</type>
                </engine>
                <engine>
                   <type>xml</type>
                </engine>
                ...
             </output>
             <transform>
                <engine>
                   <type>blur</type>
                </engine>
                ...
             </transform>
             <eventProcessing>
                <engine>
                   <type>and</type>
                </engine>
                ...
             </eventProcessing>
          </engines>
       </responsedata>
    </autnresponse>

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