---
title: SignificantUpdateAction
framework: declaredagerange
role: symbol
role_heading: Structure
path: declaredagerange/significantupdateaction
---

# SignificantUpdateAction

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

## Declaration

```swift
struct SignificantUpdateAction
```

## Overview

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:)](declaredagerange/significantupdateaction/callasfunction(updatedescription:).md)