public SynthesisTask withSnsTopicArn(String snsTopicArn) {
        setSnsTopicArn(snsTopicArn);
        return this;
    }
<p>
ARN for the SNS topic optionally used for providing status notification for a speech synthesis task.
</p>

@param snsTopicArn
       ARN for the SNS topic optionally used for providing status notification for a speech synthesis task.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-polly/src/main/java/com/amazonaws/services/polly/model/SynthesisTask.java