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# Product.SubscriptionPeriod.Unit.FormatStyle

```
struct FormatStyle
```

## Topics

### Formatting subscription period units

[`func format(Product.SubscriptionPeriod.Unit) -> String`](/documentation/StoreKit/Product/SubscriptionPeriod/Unit-swift.enum/FormatStyle/format(_:))

## Relationships

### Conforms To

[`FormatStyle`](/documentation/Foundation/FormatStyle)

[`Decodable`](/documentation/Swift/Decodable)

[`Hashable`](/documentation/Swift/Hashable)

[`Encodable`](/documentation/Swift/Encodable)

[`Equatable`](/documentation/Swift/Equatable)

---

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