public java.util.List<String> getDataExtraDimensions() {
        return dataExtraDimensions;
    }
<p>
A list of vehicle attributes to associate with a signal.
</p>
<p>
Default: An empty array
</p>

@return A list of vehicle attributes to associate with a signal. </p>
        <p>
        Default: An empty array
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/UpdateCampaignRequest.java