---
title: originalTransactionIdentifier
framework: storekittest
role: symbol
role_heading: Instance Property
path: storekittest/sktesttransaction/originaltransactionidentifier
---

# originalTransactionIdentifier

The identifier of the original transaction.

## Declaration

```swift
var originalTransactionIdentifier: Int { get }
```

## Discussion

Discussion For subscription renewals, or if you restore a purchase, the originalTransactionIdentifier is the original transaction for that subscription or in-app purchase.

## See Also

### Identifying Transactions and Products

- [identifier](storekittest/sktesttransaction/identifier.md)
- [productIdentifier](storekittest/sktesttransaction/productidentifier.md)