public TargetTrackingConfiguration withCustomizedScalingMetricSpecification(CustomizedScalingMetricSpecification customizedScalingMetricSpecification) {
        setCustomizedScalingMetricSpecification(customizedScalingMetricSpecification);
        return this;
    }
<p>
A customized metric. You can specify either a predefined metric or a customized metric.
</p>

@param customizedScalingMetricSpecification
       A customized metric. You can specify either a predefined metric or a customized metric.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-autoscalingplans/src/main/java/com/amazonaws/services/autoscalingplans/model/TargetTrackingConfiguration.java