---
title: postbackSequenceIndex
framework: storekittest
role: symbol
role_heading: Instance Property
path: storekittest/skadtestpostback/postbacksequenceindex
---

# postbackSequenceIndex

The position of this postback among all postbacks for an ad impression.

## Declaration

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

## Discussion

Discussion For more information about receiving time-delayed postbacks for an ad impression, see Receiving postbacks in multiple conversion windows.

## See Also

### Getting general information

- [version](storekittest/skadtestpostback/version.md)
- [transactionIdentifier](storekittest/skadtestpostback/transactionidentifier.md)
- [isRegistered](storekittest/skadtestpostback/isregistered.md)
- [isRedownload](storekittest/skadtestpostback/isredownload.md)