# KeyReference

A reference to a Key resource.

- Source: Generated code
- Type last changed: v2.224.0 · 13 Nov 2025

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_paymentcryptography as interfaces_paymentcryptography } from 'aws-cdk-lib/interfaces';
const keyReference: interfaces_paymentcryptography.KeyReference = {
  keyIdentifier: 'keyIdentifier',
};
```

## Properties

- `keyIdentifier`: string (required) — The KeyIdentifier of the Key resource.