---
title: billingPeriodNumber
framework: storekit
role: symbol
role_heading: Instance Property
path: storekit/transaction/commitmentinfo-swift.struct/billingperiodnumber
---

# billingPeriodNumber

## Declaration

```swift
let billingPeriodNumber: UInt64
```

## Mentioned in

Supporting monthly subscriptions with a 12-month commitment

## See Also

### Instance Properties - generated

- [expirationDate](storekit/transaction/commitmentinfo-swift.struct/expirationdate.md)
- [price](storekit/transaction/commitmentinfo-swift.struct/price.md)
- [totalBillingPeriods](storekit/transaction/commitmentinfo-swift.struct/totalbillingperiods.md)