public CustomizedMetricSpecification getCustomizedMetricSpecification() {
        return this.customizedMetricSpecification;
    }
<p>
A customized metric. You must specify either a predefined metric or a customized metric.
</p>

@return A customized metric. You must specify either a predefined metric or a customized metric.
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/TargetTrackingConfiguration.java