---
title: "showSignificantUpdateAcknowledgment(in:updateDescription:)"
framework: declaredagerange
role: symbol
role_heading: Instance Method
path: "declaredagerange/agerangeservice/showsignificantupdateacknowledgment(in:updatedescription:)"
---

# showSignificantUpdateAcknowledgment(in:updateDescription:)

Displays a system-provided interface for people to acknowledge a significant app update.

## Declaration

```swift
@MainActor func showSignificantUpdateAcknowledgment(in windowScene: UIWindowScene, updateDescription: String) async throws
```

## Parameters

- `windowScene`: A window scene that presents the acknowledgment interface.
- `updateDescription`: A clear description of what changed in your app and why acknowledgment is required.

## Discussion

Discussion Call this function to inform people that your app has undergone a significant change that requires their acknowledgment. For more information on what constitutes a significant app change, refer to SignificantAppUpdateTopic. important: Before calling this function, check AgeRangeService.RegulatoryFeature to determine if a person must acknowledge your significant app change. note: An error if the feature isn’t available.