public void setMessageCopiedAt(java.util.Date messageCopiedAt) {
        this.messageCopiedAt = messageCopiedAt;
    }
<p>
The timestamp for when the feedback was recorded.
</p>

@param messageCopiedAt
       The timestamp for when the feedback was recorded.
aws-java-sdk-qbusiness/src/main/java/com/amazonaws/services/qbusiness/model/PutFeedbackRequest.java