helm-external-secrets/docs/snippets/aws-sm-external-secret.yaml

apiVersion: external-secrets.io/v1beta1
kind: ExternalSecret
metadata:
  name: example
spec:
  refreshInterval: 1m
  secretStoreRef:
    name: aws-secretsmanager
    kind: SecretStore
  target:
    name: friends
    creationPolicy: Owner
  data:
  - secretKey: my_name
    remoteRef:
      key: friendslist
      property: name.first # Tom
  - secretKey: first_friend
    remoteRef:
      key: friendslist
      property: friends.1.first # Roger

  # metadataPolicy to fetch all the labels in JSON format
  - secretKey: tags
    remoteRef:
      metadataPolicy: Fetch 
      key: database-credentials

  # metadataPolicy to fetch a specific label (dev) from the source secret
  - secretKey: developer
    remoteRef:
      metadataPolicy: Fetch 
      key: database-credentials
      property: dev