# NatsServerResource.withDataVolume

- Module: [Aspire.Hosting.Nats](/reference/api/typescript/aspire.hosting.nats.md)
- Defined on: [NatsServerResource](/reference/api/typescript/aspire.hosting.nats/natsserverresource.md)
- Version: `13.4.0`
- Kind: `method`

Adds a named volume for the data folder to a NATS container resource.

## Definition

```typescript
interface NatsServerResource {
  // ... omitted for brevity
  withDataVolume(
      name?: string,
      isReadOnly?: boolean): NatsServerResource;
}
```

## Signature

```typescript
withDataVolume(
    name?: string,
    isReadOnly?: boolean): NatsServerResource
```

## Parameters

- `name` (`string`) `optional`
- `isReadOnly` (`boolean`) `optional` `= False`

## Returns

[NatsServerResource](/reference/api/typescript/aspire.hosting.nats/natsserverresource.md) `builder`

## Defined on

- [NatsServerResource](/reference/api/typescript/aspire.hosting.nats/natsserverresource.md) -- `handle`