The .zuul.yaml in RepoX
- project:
    gate:
      jobs:
        -  JobX
        -  JobY:
             requires: JobX


Repo name Zuul which containes all Zuul Jobs:
file .zuul.yaml

- job:
    name: jobX
    run: playbooks/jobX.yaml
    nodeset:
      nodes:
        - name: ubuntu-bionic
          label: ubuntu-bionic
    provides: jobX

- job:
    name: jobY
    run: playbooks/jobY.yaml
    nodeset:
      nodes:
        - name: ubuntu-bionic
          label: ubuntu-bionic
    provides: jobY

And the playbooks/jobX.yaml


- hosts: all
  tasks:
    - name: Get my PWD
      shell: pwd
      register: pwd_result

    - name: Return some values to Zuul to affect its behavior and for use by dependent jobs.
      zuul_return:
        data:
          aaa: "foo"
          bbb: "bar"
          ccc: "zoo"


And the playbooks/jobY.yaml

- hosts: all
  tasks:
  command: echo "{{ aaa }} {{ bbb }} {{ ccc }}}