Policy
fun PolicyTargetTrackingScalingPolicyConfigurationCustomizedMetricSpecification(dimensions: List<PolicyTargetTrackingScalingPolicyConfigurationCustomizedMetricSpecificationDimension>? = null, metricName: String? = null, metrics: List<PolicyTargetTrackingScalingPolicyConfigurationCustomizedMetricSpecificationMetric>? = null, namespace: String? = null, statistic: String? = null, unit: String? = null)