---
title: signatureMissingCampaignId
framework: storekittest
role: symbol
role_heading: Type Property
path: storekittest/skadtesterror/signaturemissingcampaignid
---

# signatureMissingCampaignId

The signature is missing the campaign identifier, in the testing environment.

## Declaration

```swift
static var signatureMissingCampaignId: SKAdTestError.Code { get }
```

## Discussion

Discussion Be sure to include the campaign identifier when you create and validate an ad impression in the testing environment.

## See Also

### Getting Older Errors

- [invalidCampaignId](storekittest/skadtesterror/invalidcampaignid.md)
- [conflictingSource](storekittest/skadtesterror/conflictingsource.md)