public void setUpdatedAt(java.util.Date updatedAt) {
        this.updatedAt = updatedAt;
    }
<p>
A timestamp showing the speaker's last update.
</p>

@param updatedAt
       A timestamp showing the speaker's last update.
aws-java-sdk-voiceid/src/main/java/com/amazonaws/services/voiceid/model/SpeakerSummary.java