# K3sClusterResource.withDataVolume

- Module: [CommunityToolkit.Aspire.Hosting.K3s](/reference/api/typescript/communitytoolkit.aspire.hosting.k3s.md)
- Defined on: [K3sClusterResource](/reference/api/typescript/communitytoolkit.aspire.hosting.k3s/k3sclusterresource.md)
- Version: `13.5.0`
- Kind: `method`

Mounts a named Docker volume at the k3s data directory so cluster state persists across AppHost restarts.

## Definition

```typescript
interface K3sClusterResource {
  // ... omitted for brevity
  withDataVolume(name?: string): K3sClusterResource;
}
```

## Signature

```typescript
withDataVolume(name?: string): K3sClusterResource
```

## Parameters

- `name` (`string`) `optional`

## Returns

[K3sClusterResource](/reference/api/typescript/communitytoolkit.aspire.hosting.k3s/k3sclusterresource.md) `builder`

## Defined on

- [K3sClusterResource](/reference/api/typescript/communitytoolkit.aspire.hosting.k3s/k3sclusterresource.md) -- `handle`