Policy
fun PolicyTargetTrackingScalingPolicyConfigurationCustomizedMetricSpecificationMetricArgs(expression: Output<String>? = null, id: Output<String>, label: Output<String>? = null, metricStat: Output<PolicyTargetTrackingScalingPolicyConfigurationCustomizedMetricSpecificationMetricMetricStatArgs>? = null, returnData: Output<Boolean>? = null)