---
title: keyIdentifier
framework: storekit
role: symbol
role_heading: Instance Property
path: storekit/skpaymentdiscount/keyidentifier
---

# keyIdentifier

A string that identifies the key used to generate the signature.

## Declaration

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

## Discussion

Discussion You generate and download keys from App Store Connect. See the “KEY ID” column in App Store Connect to use as the keyIdentifier.

## See Also

### Identifying the Discount

- [identifier](storekit/skpaymentdiscount/identifier.md)