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# SignificantUpdateAction

An action that presents a system sheet for significant app update acknowledgments.

```
struct SignificantUpdateAction
```

## Overview

Use this function to inform people about important changes to your app that require their acknowledgment and consent before proceeding.

## Topics

### Presenting acknowledgments

[`callAsFunction(updateDescription:)`](/documentation/DeclaredAgeRange/SignificantUpdateAction/callAsFunction(updateDescription:))

Shows the significant update acknowledgment interface.


---

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