---
title: Transaction.AdditionalTransactionReason
framework: StoreKit
role: symbol
role_heading: Structure
platforms: [iOS 27.3+, iPadOS 27.3+, Mac Catalyst 27.3+, macOS 27.3+, tvOS 27.3+, visionOS 27.3+, watchOS 27.3+]
path: storekit/transaction/additionaltransactionreason-swift.struct
---

# Transaction.AdditionalTransactionReason

Reasons that more than one transaction represents a single subscription period.

## Declaration

```swift
struct AdditionalTransactionReason
```

## Topics

### Identifying the reason

- [seatAddition](storekit/transaction/additionaltransactionreason-swift.struct/seataddition.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Getting multiseat information

- [multiSeatInfo](storekit/transaction/multiseatinfo-swift.property.md)
- [Transaction.MultiSeatInfo](storekit/transaction/multiseatinfo-swift.struct.md)
- [additionalTransactionReason](storekit/transaction/additionaltransactionreason-swift.property.md)