---
title: BackgroundDeliveryExtension
framework: FinanceKit
role: symbol
role_heading: Protocol
platforms: [iOS 26.0+, iPadOS 26.0+, Mac Catalyst 26.0+]
path: financekit/backgrounddeliveryextension
---

# BackgroundDeliveryExtension

An extension used to receive updates about changes to data within the finance store.

## Declaration

```swift
protocol BackgroundDeliveryExtension : AppExtension, BackgroundDeliveryExtensionProviding
```

## Overview

Overview Use enableBackgroundDelivery(for:frequency:) to enable updates for an extension and see BackgroundDeliveryExtensionProviding to implement functions for an extension.

## Relationships

### Inherits From

- [AppExtension](extensionfoundation/appextension.md)
- [BackgroundDeliveryExtensionProviding](financekit/backgrounddeliveryextensionproviding.md)