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# enableBackgroundDelivery(for:frequency:)

Enables background delivery for the specified types and frequency.

```
func enableBackgroundDelivery(for types: [FinanceStore.BackgroundDataType], frequency: FinanceStore.UpdateFrequency)
```

## Parameters

`types`

The types of data to enable updates for.

`frequency`

The frequency at which updates should occur.

## Discussion

The app’s background delivery extension will receive updates at the specified frequency when data of the given types change in the finance store.

> Note:
> Subsequent calls with the same type will update the delivery frequency.

---

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