# withDataVolume

- Module: [Aspire.Hosting.Azure.CosmosDB](/reference/api/typescript/aspire.hosting.azure.cosmosdb.md)
- Version: `13.4.0`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire)

Adds a named volume for the data folder to an Azure Cosmos DB emulator resource.

## Definition

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

## Parameters

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

## Returns

[AzureCosmosDBEmulatorResource](/reference/api/typescript/aspire.hosting.azure.cosmosdb/azurecosmosdbemulatorresource.md) `builder`

## Applies to

- [AzureCosmosDBEmulatorResource](/reference/api/typescript/aspire.hosting.azure.cosmosdb/azurecosmosdbemulatorresource.md)