---
title: SKStoreProductParameterAdNetworkCampaignIdentifier
framework: storekit
role: symbol
role_heading: Global Variable
path: storekit/skstoreproductparameteradnetworkcampaignidentifier
---

# SKStoreProductParameterAdNetworkCampaignIdentifier

The key that represents the advertising network’s campaign.

## Declaration

```swift
let SKStoreProductParameterAdNetworkCampaignIdentifier: String
```

## Mentioned in

Combining parameters to generate a signature for SKAdNetwork 1 Generating the signature to validate StoreKit-rendered ads Identifying the parameters in install-validation postbacks

## Discussion

Discussion The value for this key is an NSNumber. Ad networks determine their own campaign identifiers, which must be an integer >=1 and <=100. Use SKStoreProductParameterAdNetworkSourceIdentifier instead of this value to generate version 4 and later signatures.

## See Also

### Required keys

- [SKStoreProductParameterAdNetworkIdentifier](storekit/skstoreproductparameteradnetworkidentifier.md)
- [SKStoreProductParameterAdNetworkTimestamp](storekit/skstoreproductparameteradnetworktimestamp.md)
- [SKStoreProductParameterAdNetworkNonce](storekit/skstoreproductparameteradnetworknonce.md)
- [SKStoreProductParameterAdNetworkAttributionSignature](storekit/skstoreproductparameteradnetworkattributionsignature.md)