testMachine.js

import { createMachine, actions } from 'xstate';

const { log } = actions;

export const OfficeMachine = createMachine(
  {
    id: 'Office',
    initial: 'Office',
    context: {
    },
    states: {
      Office: {
        on: {
          Desk: "Desk",
          Wall: "Wall",
          Vox: "Vox",
        }
      },
      Desk: {
        entry: log("Desk"),
        on: {
          OK: "Office"
        }
      },
      Walls: {
        entry: log("Walls"),
        on: {
          OK: "Office"
        }
      },
      Vox: {
        entry: log("Vox"),
        on: {
          OK: "Puzzle_1a"
        }
      },
      Puzzle_1a: {
        entry: log("Puzzle_1a"),
        on: {
          OK: "Office"
        }
      }
    },
  },
  {
    actions: {
    }
  }
)