public void setSnsTopicArn(String snsTopicArn) {
        this.snsTopicArn = snsTopicArn;
    }
<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.
aws-java-sdk-polly/src/main/java/com/amazonaws/services/polly/model/SynthesisTask.java