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# contentIdentifier

A string that uniquely identifies the downloadable content.

```
var contentIdentifier: String { get }
```

## Discussion

Each piece of downloadable content associated with a product has its own unique identifier. The content identifier is specified in App Store Connect when you add the content.

## See Also

  [In-App Purchase Programming Guide](https://developer.apple.com/library/archive/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Introduction.html#//apple_ref/doc/uid/TP40008267)



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