2.3 Pipeline ((vars)) example
  
  You can use params in a pipelines configuration file.
Pipeline Configuration
---
jobs:
- name: ((first))-job
  public: true
  plan:
  - task: simple-task
    config:
      platform: linux
      image_resource:
        type: registry-image
        source: { repository: busybox }
      run:
        path: echo
        args: ["Hello, ((hello))!"]
- name: level-((number))-job
  public: true
  plan:
  - task: simple-task
    config:
      platform: linux
      image_resource:
        type: registry-image
        source: { repository: busybox }
      run:
        path: echo
        args: ["Hello, ((hello))!"]