argocd-sample-app-helm-valuesobject.yaml

apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: istio-base
  namespace: argocd
  finalizers:
  - resources-finalizer.argocd.argoproj.io
spec:
  project: default
  source:
    repoURL: https://istio-release.storage.googleapis.com/charts
    chart: base
    targetRevision: 1.23.0
    helm:
      releaseName: istio-base
      valuesObject:
        defaults:
          global:
             istioNamespace: istio-system
          base:
            defaultRevision: "default"
  destination:
    name: in-cluster
    namespace: istio-system
  syncPolicy:
    syncOptions:
    - CreateNamespace=true
    automated:
      prune: true
      selfHeal: true