# ContainerFilesOptions

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Version: `13.5.0`
- Kind: `type`
- Source: [GitHub](https://github.com/microsoft/aspire/tree/e076d8e427cb3afb528dbd605acd74c3aea69f94)

Options for creating or updating files and directories in a container from polyglot apphosts.

## Definition

```typescript
type ContainerFilesOptions = {
  DefaultOwner?: number;
  DefaultGroup?: number;
  Umask?: number;
}
```

## Fields

- `DefaultOwner`: `number` `optional`
- `DefaultGroup`: `number` `optional`
- `Umask`: `number` `optional`