Azure Virtual Machine Discovery

Not understanding direction here.  I have done this on GCE and works fine spinning up new nodes without restarting nodes.

I have a 3 node cluster on azure ubuntu installed.  How should I configure the eslasticsearch.yml?

This looks like it ;points to the cloud  service correct?  I do not have the azure cloud ES service in my case.
    > cloud:
    >     azure:
    >         management:
    >              subscription.id: XXX-XXX-XXX-XXX
    >              cloud.service.name: es-demo-app
    >              keystore:
    >                    path: /path/to/azurekeystore.pkcs12
    >                    password: WHATEVER
    >                    type: pkcs12
    > 
    > discovery:
    >     seed_providers: azure
Here is what I sue in GCP and works great.

network.host: _gce_
#
cloud:
  gce:
      project_id: rrc101-196516
      zone: [us-east1-b, us-east1-c, us-east1-d]
discovery:
      zen.hosts_provider: gce