apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: one
spec:
  validationFailureAction: Enforce
  rules:
  - name: one
    match:
      all:
      - resources:
          kinds:
          - v1/ConfigMap
    context:
    - name: var
      variable:
        value: test
    mutate:
      foreach:
      - list: "['dummy']"
        patchStrategicMerge:
          data:
            one: "{{ to_string(var) }}"
  - name: two
    match:
      all:
      - resources:
          kinds:
          - v1/ConfigMap
    mutate:
      foreach:
      - list: "['dummy']"
        patchStrategicMerge:
          data:
            two: "{{ to_string(var) }}"