---
title: SubscriptionModifyPeriodChange
framework: advancedcommerceapi
role: symbol
role_heading: Object
path: advancedcommerceapi/subscriptionmodifyperiodchange
---

# SubscriptionModifyPeriodChange

The data your app provides to change the period of an auto-renewable subscription.

## Declaration

```data
object SubscriptionModifyPeriodChange
```

## Properties

effective: period:

## See Also

### Subscription modification in the app

- [SubscriptionModifyInAppRequest](advancedcommerceapi/subscriptionmodifyinapprequest.md)
- [SubscriptionModifyAddItem](advancedcommerceapi/subscriptionmodifyadditem.md)
- [SubscriptionModifyChangeItem](advancedcommerceapi/subscriptionmodifychangeitem.md)
- [SubscriptionModifyRemoveItem](advancedcommerceapi/subscriptionmodifyremoveitem.md)