Exit 
Exit's branches inside of Choice, Condition, and Block.
WARNING
Novely does this automatically, so there's no need to use exit action.
Example 
Look at examples below to understand where Exit is used.
Choice 
ts
engine.script({
  start: [
    engine.action.choice(
      "What flavor do you like?",
      [
        "Cherry",
        [
          engine.action.say(
            "buddy",
            "Then I will buy you a cherry ice cream!"
          ),
          engine.action.exit(),
        ],
      ],
      [
        "Vanilla",
        [
          engine.action.say("buddy", "Vanilla ice cream! Got it!"),
          engine.action.exit(),
        ],
      ]
    ),
    engine.action.say("buddy", "Hello! Can I get uhh..."),
  ],
});Condition 
ts
engine.script({
  start: [
    engine.action.condition(
      () => Math.random() >= 0.5 ? 'true' : 'false',
      {
        'true': [
          engine.action.say('baby', 'AAAAAAAAAAAAAAAAAAA')
          engine.action.exit(),
        ],
        'false': [
          engine.action.say('baby', '*Snores*'),
          engine.action.exit()
        ]
      }
    ),
    engine.action.text('Continue here 😼')
  ],
});Combined 
ts
engine.script({
  start: [
    engine.action.condition(
      (state) => state.age >= 18 ? 'true' : 'false',
      {
        'true': [
          engine.action.say('cashier', 'Ok'),
          engine.action.choice(
            'Select Right PIN Code',
            [
              '1337',
              [
                engine.action.say('cashier', 'Incorrect.'),
                engine.action.say('you', 'Oh, damn. Then goodbye'),
                engine.action.exit(),
              ]
            ],
            [
              '1984',
              [
                engine.action.say('cashier', 'Have a nice day'),
                engine.action.say('you', 'You too, bye'),
                engine.action.exit()
              ]
            ]
          ),
          engine.action.exit(), // Note that first `exit` is inside choice, and then inside `condition`
        ],
        'false': [
          engine.action.say('cashier', 'Leave that store immediately!'),
          engine.action.exit()
        ]
      }
    )
  ],
});