---
title: webOrderLineItemId
framework: appstoreserverapi
role: symbol
role_heading: Type
path: appstoreserverapi/weborderlineitemid
---

# webOrderLineItemId

The unique identifier of subscription-purchase events across devices, including renewals.

## Declaration

```data
string webOrderLineItemId
```

## Discussion

Discussion This value applies only to auto-renewable subscriptions.

## See Also

### Response data types

- [effectiveDate](appstoreserverapi/effectivedate.md)
- [originalTransactionId](appstoreserverapi/originaltransactionid.md)
- [success](appstoreserverapi/success.md)