# withReplicas

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Version: `13.2.0`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire)

Sets the number of replicas

## Definition

```typescript
interface ProjectResource {
  // ... omitted for brevity
  withReplicas(replicas: number): ProjectResource
}
```

## Parameters

- `replicas` (`number`)

## Returns

[ProjectResource](/reference/api/typescript/aspire.hosting/projectresource.md) `builder`

## Applies to

- [ProjectResource](/reference/api/typescript/aspire.hosting/projectresource.md)
- [CSharpAppResource](/reference/api/typescript/aspire.hosting/csharpappresource.md)