public void setMessageUsefulness(MessageUsefulnessFeedback messageUsefulness) {
        this.messageUsefulness = messageUsefulness;
    }
<p>
The feedback usefulness value given by the user to the chat message.
</p>

@param messageUsefulness
       The feedback usefulness value given by the user to the chat message.
aws-java-sdk-qbusiness/src/main/java/com/amazonaws/services/qbusiness/model/PutFeedbackRequest.java