| hpa.targetCPUUtilizationPercentage | `autoscaling/v1` - Percentage threshold for when HPA begins scaling out pods. Ignored if `hpa.metrics` is present. | `nil` |
| hpa.metrics | `autoscaling/v2beta2`[metrics](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough/) definitions for when HPA begins scaling out pods. | `nil` |
| hpa.metrics | `autoscaling/v2`[metrics](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough/) definitions for when HPA begins scaling out pods. | `nil` |