public void setSnsTopicArn(String snsTopicArn) {
        this.snsTopicArn = snsTopicArn;
    }
<p>
The Amazon Resource Name (ARN) of the Amazon SNS topic created for event notification. The ARN is created by
Amazon SNS when you create a topic and subscribe to it.
</p>

@param snsTopicArn
       The Amazon Resource Name (ARN) of the Amazon SNS topic created for event notification. The ARN is created
       by Amazon SNS when you create a topic and subscribe to it.
aws-java-sdk-dms/src/main/java/com/amazonaws/services/databasemigrationservice/model/ModifyEventSubscriptionRequest.java