# withDenoUnstable

- Module: [Aspire.Hosting.JavaScript](/reference/api/typescript/aspire.hosting.javascript.md)
- Version: `13.6.0`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire/tree/f4c27f2d43ddc1cacd0dd083b30d1fea1cee7a62)

Adds one or more `--unstable-*` flags. Each feature may be supplied bare (for example `"kv"`, `"worker-options"`, `"sloppy-imports"`) or fully qualified (`"--unstable-kv"`).

## Definition

```typescript
interface DenoAppResource {
  // ... omitted for brevity
  withDenoUnstable(features: string[]): DenoAppResource
}
```

## Parameters

- `features` (`string[]`)

## Returns

[DenoAppResource](/reference/api/typescript/aspire.hosting.javascript/denoappresource.md) `builder`

## Applies to

- [DenoAppResource](/reference/api/typescript/aspire.hosting.javascript/denoappresource.md)