# CapabilityHostBuilder Constructors

- Package: [Aspire.Hosting.Foundry](/reference/api/csharp/aspire.hosting.foundry.md)
- Type: [CapabilityHostBuilder](/reference/api/csharp/aspire.hosting.foundry/capabilityhostbuilder.md)
- Kind: `Constructors`
- Members: `1`

A fluent builder for configuring a capability host on a Microsoft Foundry project.

## CapabilityHostBuilder(IResourceBuilder<AzureCognitiveServicesProjectResource>, CapabilityHostConfiguration)

- Name: `Constructor(IResourceBuilder<AzureCognitiveServicesProjectResource>, CapabilityHostConfiguration)`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/becb48e2d61099e35ae336d527d3875e928d6594/src/Aspire.Hosting.Foundry/Project/ProjectResource.cs#L354-L359)

A fluent builder for configuring a capability host on a Microsoft Foundry project.

```csharp
public class CapabilityHostBuilder
{
    public CapabilityHostBuilder(
        IResourceBuilder<AzureCognitiveServicesProjectResource> projectBuilder,
        CapabilityHostConfiguration configuration)
    {
        // ...
    }
}
```

## Parameters

- `projectBuilder` (`IResourceBuilder<AzureCognitiveServicesProjectResource>`)
- `configuration` ([CapabilityHostConfiguration](/reference/api/csharp/aspire.hosting.foundry/capabilityhostconfiguration.md))