# FileSystemReference

A reference to a FileSystem 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_efs as interfaces_efs } from 'aws-cdk-lib/interfaces';
const fileSystemReference: interfaces_efs.FileSystemReference = {
  fileSystemArn: 'fileSystemArn',
  fileSystemId: 'fileSystemId',
};
```

## Properties

- `fileSystemArn`: string (required) — The ARN of the FileSystem resource.

- `fileSystemId`: string (required) — The FileSystemId of the FileSystem resource.