public String getNotificationTopicArn() {
        return this.notificationTopicArn;
    }
<p>
The Amazon Resource Name (ARN) of the Amazon SNS topic to which notifications will be sent.
</p>
<note>
<p>
The Amazon SNS topic owner must be same as the DAX cluster owner.
</p>
</note>

@return The Amazon Resource Name (ARN) of the Amazon SNS topic to which notifications will be sent.</p> <note>
        <p>
        The Amazon SNS topic owner must be same as the DAX cluster owner.
        </p>
aws-java-sdk-dax/src/main/java/com/amazonaws/services/dax/model/CreateClusterRequest.java