# MailPitContainerResource.withDataBindMount

- Module: [CommunityToolkit.Aspire.Hosting.MailPit](/reference/api/typescript/communitytoolkit.aspire.hosting.mailpit.md)
- Defined on: [MailPitContainerResource](/reference/api/typescript/communitytoolkit.aspire.hosting.mailpit/mailpitcontainerresource.md)
- Version: `13.4.0`
- Kind: `method`

Configures a bind mount for the data directory of the MailPit container resource.

## Definition

```typescript
interface MailPitContainerResource {
  // ... omitted for brevity
  withDataBindMount(
      source: string,
      isReadOnly?: boolean): MailPitContainerResource;
}
```

## Signature

```typescript
withDataBindMount(
    source: string,
    isReadOnly?: boolean): MailPitContainerResource
```

## Parameters

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

## Returns

[MailPitContainerResource](/reference/api/typescript/communitytoolkit.aspire.hosting.mailpit/mailpitcontainerresource.md) `builder`

## Defined on

- [MailPitContainerResource](/reference/api/typescript/communitytoolkit.aspire.hosting.mailpit/mailpitcontainerresource.md) -- `handle`