nEngine/examples/sample-game/content/statemachines/starter-quest.yaml

# Quest prototype (D20): harvest three parsnips. Activates on the first
# day-start at day >= 2 (after the starter gift), completes on a crop-harvest
# event once player.inventory.parsnip >= 3, and pays a seed restock on enter.
# questProgress.<id> is the conventions quest-state slot from boundaries.md.
id: starter-quest
initial: inactive
states:
  - id: inactive
  - id: active
  - id: complete
    onEnter:
      - action: give-item
        itemId: parsnip-seed
        qty: 2
      - action: play-sound
        sound: harvest
      - action: set-state
        path: player.questProgress.starter-quest
        value: complete
transitions:
  - from: inactive
    to: active
    on: day-start
    when:
      and:
        - { op: gte, path: time.day, value: 2 }
        - not: { op: exists, path: player.questProgress.starter-quest }
  - from: active
    to: complete
    on: crop-harvest
    when:
      op: gte
      path: player.inventory.parsnip
      value: 3