public void setDestinationArn(String destinationArn) {
        this.destinationArn = destinationArn;
    }
<p>
If the destination is <code>Evidently</code>, this specifies the ARN of the Evidently experiment that receives
the metrics.
</p>

@param destinationArn
       If the destination is <code>Evidently</code>, this specifies the ARN of the Evidently experiment that
       receives the metrics.
aws-java-sdk-cloudwatchrum/src/main/java/com/amazonaws/services/cloudwatchrum/model/MetricDestinationSummary.java