You can provision an EFS-backed persistent volume with a persistent volume claim like below:

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: my-efs-vol-1
  annotations:
    volume.beta.kubernetes.io/storage-class: {{ .Values.efsProvisioner.storageClass.name }}
spec:
  storageClassName: {{ .Values.efsProvisioner.storageClass.name }}
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Mi
