Scaling Policy Target Tracking Metric Dimension
data class ScalingPolicyTargetTrackingMetricDimension(val name: String? = null, val value: String? = null)
`TargetTrackingMetricDimension`
specifies a name/value pair that is part of the identity of a CloudWatch metric for the `Dimensions`
property of the AWS::ApplicationAutoScaling::ScalingPolicy TargetTrackingMetric property type. Duplicate dimensions are not allowed.