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

apiVersion: external-secrets.io/v1alpha1
kind: SecretStore
metadata:
  name: secretstore-sample
spec:
  controller: dev
  provider:
    aws:
      service: SecretsManager
      # define a specific role to limit access
      # to certain secrets.
      # role is a optional field that 
      # can be omitted for test purposes
      role: iam-role
      region: eu-central-1
      auth:
        secretRef:
          accessKeyIDSecretRef:
            name: awssm-secret
            key: access-key
          secretAccessKeySecretRef:
            name: awssm-secret
            key: secret-access-key