public String getDestinationArn() {
        return this.destinationArn;
    }
<p>
This parameter is required if <code>Destination</code> is <code>Evidently</code>. If <code>Destination</code> is
<code>CloudWatch</code>, do not use this parameter.
</p>
<p>
This parameter specifies the ARN of the Evidently experiment that was receiving the metrics that are being
deleted.
</p>

@return This parameter is required if <code>Destination</code> is <code>Evidently</code>. If
        <code>Destination</code> is <code>CloudWatch</code>, do not use this parameter. </p>
        <p>
        This parameter specifies the ARN of the Evidently experiment that was receiving the metrics that are
        being deleted.
aws-java-sdk-cloudwatchrum/src/main/java/com/amazonaws/services/cloudwatchrum/model/BatchDeleteRumMetricDefinitionsRequest.java