ansible.azure.automation/roles/azure_vngw/tasks/absent.yml

---
- name: Delete virtual network gateway
  azure_rm_virtualnetworkgateway:
    ad_user: "{{ azure_ad_user | default(omit) }}"
    password: "{{ azure_password | default(omit) }}"
    subscription_id: "{{ azure_subscription_id | default(lookup('env', 'AZURE_SUBSCRIPTION_ID')) }}"
    client_id: "{{ azure_client_id | default(lookup('env', 'AZURE_CLIENT_ID')) }}"
    secret: "{{ azure_secret | default(lookup('env', 'AZURE_SECRET')) }}"
    tenant: "{{ azure_tenant | default(lookup('env', 'AZURE_TENANT')) }}"
    name: "{{ vngw.name }}"
    resource_group: "{{ vngw.resource_group }}"
    virtual_network: "{{ vngw.virtual_network }}"
    state: "absent"
  register: deletedvngw
...