ansible.azure.automation/roles/azure_udr/tasks/list.yml

---
- name: Get udr
  azure_rm_routetable_info:
    ad_user: "{{ azure_ad_user | default(omit) }}"
    password: "{{ azure_password | default(omit) }}"
    subscription_id: "{{ udr.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')) }}"
    resource_group: "{{ udr.resource_group }}"
    name: "{{ udr.route_table_name }}"
  register: azure_route_facts

- name: Print udr
  debug:
    var: azure_route_facts.routes
...