---

- name: A standard fact can be defined in a playbook...
  gather_facts: no
  hosts: localhost
  tasks:
  - set_fact:
      myfact123: test
  - assert:
      that:
      # A fact is available as a standard variable
      - "myfact123 == 'test'"
      # But not part of the "ansible_facts" dictionary
      - "'myfact123' not in ansible_facts"

- name: and used in another role/playbook !
  gather_facts: no
  hosts: localhost
  tasks:
  - assert:
      that:
      - "myfact123 == 'test'"
      - "'myfact123' not in ansible_facts"