public void setMetricName(String metricName) {
        this.metricName = metricName;
    }
<p>
<b>Internal only</b>. The name of the metric.
</p>

@param metricName
       <b>Internal only</b>. The name of the metric.
aws-java-sdk-mwaa/src/main/java/com/amazonaws/services/mwaa/model/MetricDatum.java