name: main
id: main
inputs:
  v: 0
outputs:
  result: ${ $("v") }
steps:
  - name: prepare
    id: prepare
    acts:
      - act: irq
        key: init
  - name: enter sub workflow
    acts:
      - act: call
        key: sub
        inputs:
            v: ${ $("v") }
  - name: final
    id: final
    acts:
      - act: irq
        key: action2
        inputs:
          v: ${ $("v") }