---
title: version2_1
framework: storekittest
role: symbol
role_heading: Type Property
path: storekittest/skadtestpostbackversion/version2_1
---

# version2_1

A constant that represents SKAdNetwork version 2.1.

## Declaration

```swift
static let version2_1: SKAdTestPostbackVersion
```

## See Also

### Getting SKAdNetwork Versions

- [version4_0](storekittest/skadtestpostbackversion/version4_0.md)
- [version3_0](storekittest/skadtestpostbackversion/version3_0.md)
- [version2_2](storekittest/skadtestpostbackversion/version2_2.md)