public ListMetricValuesResult withMetricDatumList(MetricDatum... metricDatumList) {
        if (this.metricDatumList == null) {
            setMetricDatumList(new java.util.ArrayList<MetricDatum>(metricDatumList.length));
        }
        for (MetricDatum ele : metricDatumList) {
            this.metricDatumList.add(ele);
        }
        return this;
    }
<p>
The data the thing reports for the metric during the specified time period.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setMetricDatumList(java.util.Collection)} or {@link #withMetricDatumList(java.util.Collection)} if you
want to override the existing values.
</p>

@param metricDatumList
       The data the thing reports for the metric during the specified time period.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/ListMetricValuesResult.java