kyverno/test/cli/test-generate/sync-multiple-resources/policy.yaml

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: sync-controller-data
  annotations:
    policies.kyverno.io/title: Sync Controller Data
    policies.kyverno.io/category: RightSizing
    policies.kyverno.io/subject: io
    policies.kyverno.io/description: >-
      Sync Secret and Configmap from kube-system namespace
spec:
  failurePolicy: Ignore
  generateExistingOnPolicyUpdate: true
  rules:
  - name: sync-controller-secret
    match:
      all:
      - resources:
          kinds:
          - Deployment
          namespaces:
          - kube-system
          names:
          - kubernetes-cluster-controller
    generate:
      apiVersion: v1
      kind: Secret
      name: kubernetes-cluster-controller
      namespace: services-system
      synchronize: true
      clone:
        namespace: kube-system
        name: kubernetes-cluster-controller

  - name: sync-controller-configmap
    match:
      all:
      - resources:
          kinds:
          - Deployment
          namespaces:
          - kube-system
          names:
          - kubernetes-cluster-controller  
    generate:
      apiVersion: v1
      kind: ConfigMap
      name: kubernetes-cluster-controller-config
      namespace: services-system
      synchronize: true
      clone:
        namespace: kube-system
        name: kubernetes-cluster-controller-config