---
title: keyID
framework: adattributionkit
role: symbol
role_heading: Instance Property
path: adattributionkit/appimpression/keyid
---

# keyID

The JSON Web Signature (JWS) key ID.

## Declaration

```swift
var keyID: String { get }
```

## See Also

### Accessing ad impression properties

- [adNetworkID](adattributionkit/appimpression/adnetworkid.md)
- [advertisedItemID](adattributionkit/appimpression/advertiseditemid.md)
- [compactJWSRepresentation](adattributionkit/appimpression/compactjwsrepresentation.md)
- [eligibleForReengagement](adattributionkit/appimpression/eligibleforreengagement.md)
- [id](adattributionkit/appimpression/id.md)
- [publisherItemID](adattributionkit/appimpression/publisheritemid.md)
- [sourceID](adattributionkit/appimpression/sourceid.md)
- [timestamp](adattributionkit/appimpression/timestamp.md)