public void setDestinationArn(String destinationArn) {
        this.destinationArn = destinationArn;
    }
<p>
The ARN of Kafka action's VPC <code>TopicRuleDestination</code>.
</p>

@param destinationArn
       The ARN of Kafka action's VPC <code>TopicRuleDestination</code>.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/KafkaAction.java