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# INStartWorkoutIntentResponseCode.continueInApp

A response code that indicates your app extension is ready to transfer control to the app to start the workout.

```
case continueInApp
```

## Discussion

Upon returning this code, SiriKit launches your app in the foreground and passes it the <doc://com.apple.documentation/documentation/Foundation/NSUserActivity> object you provided at initialization time. (If you didn’t provide a user activity object, SiriKit creates one for you). SiriKit adds an [`INInteraction`](/documentation/Intents/INInteraction) object with the intent and your response to the user activity object before delivering it. Your app should use the information in the user activity object to start the workout.

---

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