<!--
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    "iOS: 15.4.0 -",
    "iPadOS: 15.4.0 -",
    "macCatalyst: 15.4.0 -"
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  "documentType" : "symbol",
  "framework" : "StoreKitTest",
  "identifier" : "/documentation/StoreKitTest/SKAdTestPostbackVersion/version2_1",
  "metadataVersion" : "0.1.0",
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  "symbol" : {
    "kind" : "Type Property",
    "modules" : [
      "StoreKit Test",
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    "preciseIdentifier" : "c:@SKAdTestPostbackVersion2_1"
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  "title" : "version2_1"
}
-->

# version2_1

A constant that represents SKAdNetwork version 2.1.

```
static let version2_1: SKAdTestPostbackVersion
```

---

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