# ExtensionReference

A reference to a Extension 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_appconfig as interfaces_appconfig } from 'aws-cdk-lib/interfaces';
const extensionReference: interfaces_appconfig.ExtensionReference = {
  extensionArn: 'extensionArn',
  extensionId: 'extensionId',
};
```

## Properties

- `extensionArn`: string (required) — The ARN of the Extension resource.

- `extensionId`: string (required) — The Id of the Extension resource.