public MetricDataQuery withLabel(String label) {
        setLabel(label);
        return this;
    }
<p>
A human-readable label for this metric or expression. This is especially useful if this is a math expression, so
that you know what the value represents.
</p>

@param label
       A human-readable label for this metric or expression. This is especially useful if this is a math
       expression, so that you know what the value represents.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/MetricDataQuery.java