> **Experimental**
>
> `@aws-cdk/aws-neptune-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# DatabaseInstanceAttributes

Properties that describe an existing instance.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/instance.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0-alpha.0/packages/@aws-cdk/aws-neptune-alpha/lib/instance.ts#L349)

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import * as neptune_alpha from '@aws-cdk/aws-neptune-alpha';
const databaseInstanceAttributes: neptune_alpha.DatabaseInstanceAttributes = {
  instanceEndpointAddress: 'instanceEndpointAddress',
  instanceIdentifier: 'instanceIdentifier',
  port: 123,
};
```

## Properties

- `instanceEndpointAddress`: string (required) — The endpoint address.

- `instanceIdentifier`: string (required) — The instance identifier.

- `port`: number (required) — The database port.