# UpdateVehicleModelMetadata

Updates the value of a key-value pair in the custom metadata of a vehicle model.

Type: synchronous

Parameter | Description | Required
--- | --- | ---
`database` | The name of the database that contains the vehicle model. | Yes
`identifier` | The identifier of the vehicle model for which you want to update metadata. | Yes
`key` | The key of the key-value pair to update. | Yes
`newvalue` | The new value (maximum 254 bytes). | Yes

## Example

    /action=UpdateVehicleModelMetadata&database=Cars
                                      &identifier=FordFocusRS
                                      &key=generation
                                      &newvalue=3

## Response

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

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