# DenoAppResource.withDenoUnstable

- Module: [Aspire.Hosting.JavaScript](/reference/api/typescript/aspire.hosting.javascript.md)
- Defined on: [DenoAppResource](/reference/api/typescript/aspire.hosting.javascript/denoappresource.md)
- Version: `13.6.0`
- Kind: `method`

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;
}
```

## Signature

```typescript
withDenoUnstable(features: string[]): DenoAppResource
```

## Parameters

- `features` (`string[]`)

## Returns

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

## Defined on

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