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

@return The Amazon Resource Name (ARN) of the SNS topic created for event notification. Amazon SNS creates the
        ARN when you create a topic and subscribe to it.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/CreateEventSubscriptionRequest.java