ArgoCD Email on-health-degraded does not work

[kaikiat]

Summary

Hi team, argocd does not send an email when the health of the application degrades. However it can still send an email on sync success.

Diagnostics

What Kubernetes provider are you using?
Google Cloud Platform

What version of Argo CD and Argo CD Notifications are you running?

argocd: v2.3.4+ac8b7df
  BuildDate: 2022-05-18T13:06:25Z
  GitCommit: ac8b7df9467ffcc0920b826c62c4b603a7bfed24
  GitTreeState: clean
  GoVersion: go1.17.9
  Compiler: gc
  Platform: linux/amd64
argocd-server: v2.4.0+91aefab
  BuildDate: 2022-06-10T17:23:37Z
  GitCommit: 91aefabc5b213a258ddcfe04b8e69bb4a2dd2566
  GitTreeState: clean
  GoVersion: go1.18.3
  Compiler: gc
  Platform: linux/amd64
  Kustomize Version: v4.4.1 2021-11-11T23:36:27Z
  Helm Version: v3.8.1+g5cb9af4
  Kubectl Version: v0.23.1
  Jsonnet Version: v0.18.0

Config map

 trigger.on-health-degraded: |
    - description: Application has degraded
      send:
      - app-health-degraded
      when: app.status.health.status == 'Degraded'

// No output
kubectl logs argocd-notifications-controller-69bf646f87-mzmqc -n argocd | grep 'Degraded'


argo app list
NAME                      CLUSTER                         NAMESPACE  PROJECT  STATUS   HEALTH    SYNCPOLICY  CONDITIONS  REPO                     PATH                                         TARGET
sgdecoding-online-scaled  https://kubernetes.default.svc  production  default  Synced  Degraded  Auto-Prune  <none>      [email protected]:kaikiat/argo-project.git  /helm/sgdecoding-online-scaled  HEAD

The health is degraded but no email is sent. I am wondering if anyone have any insights / solutions on this issue. Thank you !

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