public void setUtteranceTimestamp(java.util.Date utteranceTimestamp) {
        this.utteranceTimestamp = utteranceTimestamp;
    }
<p>
The date and time when the utterance took place.
</p>

@param utteranceTimestamp
       The date and time when the utterance took place.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/UtteranceSpecification.java