# RadiusExtensions

- Kind: `class`
- Package: [Aspire.Hosting.Radius](/reference/api/csharp/aspire.hosting.radius.md)
- Version: `13.5.3-preview.1.26425.3`
- Namespace: `Aspire.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/b5f143315ffb6968ea939a9978797a5b20e4c688/src/Aspire.Hosting.Radius/RadiusExtensions.cs)

Provides extension methods for adding and configuring Radius environment resources.

## Definition

```csharp
namespace Aspire.Hosting;

public static class RadiusExtensions
{
    // ...
}
```

## Methods

- [AddRadiusEnvironment(IDistributedApplicationBuilder, string)](/reference/api/csharp/aspire.hosting.radius/radiusextensions/methods.md#addradiusenvironment-idistributedapplicationbuilder-string) : `IResourceBuilder<RadiusEnvironmentResource>` `extension` `ats export` -- Adds a Radius compute environment to the application model.
- [ConfigureRadiusInfrastructure(IResourceBuilder<RadiusEnvironmentResource>, Action<RadiusInfrastructureOptions>)](/reference/api/csharp/aspire.hosting.radius/radiusextensions/methods.md#configureradiusinfrastructure-iresourcebuilder-radiusenvironmentresource-action-radiusinfrastructureoptions) : `IResourceBuilder<RadiusEnvironmentResource>` `extension` `experimental` `ats ignored` -- Registers a callback that can customize the generated Radius infrastructure before Bicep is emitted.
- [WithContainerImage(IResourceBuilder<ProjectResource>, string)](/reference/api/csharp/aspire.hosting.radius/radiusextensions/methods.md#withcontainerimage-iresourcebuilder-projectresource-string) : `IResourceBuilder<ProjectResource>` `extension` `experimental` `ats export` -- Associates a pre-built container image reference with a project resource so the Aspire.Hosting.Radius publisher can emit a valid Radius container manifest for it.
- [WithNamespace(IResourceBuilder<RadiusEnvironmentResource>, string)](/reference/api/csharp/aspire.hosting.radius/radiusextensions/methods.md#withnamespace-iresourcebuilder-radiusenvironmentresource-string) : `IResourceBuilder<RadiusEnvironmentResource>` `extension` `ats export` -- Sets the Kubernetes namespace for the Radius environment.