# AzureWebPubSubExtensions

- Kind: `class`
- Package: [Aspire.Hosting.Azure.WebPubSub](/reference/api/csharp/aspire.hosting.azure.webpubsub.md)
- Version: `13.4.0`
- Namespace: `Aspire.Hosting`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/cbc352350f1a9bafbaff10d14a2c8de4ac186a48/src/Aspire.Hosting.Azure.WebPubSub/AzureWebPubSubExtensions.cs)

Provides extension methods for adding the Azure Web PubSub resources to the application model.

## Definition

```csharp
namespace Aspire.Hosting;

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

## Methods

- [AddAzureWebPubSub(IDistributedApplicationBuilder, string)](/reference/api/csharp/aspire.hosting.azure.webpubsub/azurewebpubsubextensions/methods.md#addazurewebpubsub-idistributedapplicationbuilder-string) : `IResourceBuilder<AzureWebPubSubResource>` `extension` `ats export` -- Adds an Azure Web PubSub resource to the application model. Change sku: WithParameter("sku", "Standard_S1") Change capacity: WithParameter("capacity", 2)
- [AddEventHandler(IResourceBuilder<AzureWebPubSubHubResource>, ExpressionInterpolatedStringHandler, string, string[]?, UpstreamAuthSettings?)](/reference/api/csharp/aspire.hosting.azure.webpubsub/azurewebpubsubextensions/methods.md#addeventhandler-iresourcebuilder-azurewebpubsubhubresource-expressioninterpolatedstringhandler-string-string-upstreamauthsettings) : `IResourceBuilder<AzureWebPubSubHubResource>` `extension` `ats ignored` -- Add event handler setting with expression
- [AddEventHandler(IResourceBuilder<AzureWebPubSubHubResource>, ReferenceExpression, string, string[]?, UpstreamAuthSettings?)](/reference/api/csharp/aspire.hosting.azure.webpubsub/azurewebpubsubextensions/methods.md#addeventhandler-iresourcebuilder-azurewebpubsubhubresource-referenceexpression-string-string-upstreamauthsettings) : `IResourceBuilder<AzureWebPubSubHubResource>` `extension` `ats ignored` -- Add event handler setting with expression
- [AddHub(IResourceBuilder<AzureWebPubSubResource>, string)](/reference/api/csharp/aspire.hosting.azure.webpubsub/azurewebpubsubextensions/methods.md#addhub-iresourcebuilder-azurewebpubsubresource-string) : `IResourceBuilder<AzureWebPubSubHubResource>` `extension` `ats ignored` -- Add hub settings
- [AddHub(IResourceBuilder<AzureWebPubSubResource>, string, string?)](/reference/api/csharp/aspire.hosting.azure.webpubsub/azurewebpubsubextensions/methods.md#addhub-iresourcebuilder-azurewebpubsubresource-string-string) : `IResourceBuilder<AzureWebPubSubHubResource>` `extension` `ats export` -- Adds an Azure Web Pub Sub hub resource to the application model.
- [WithRoleAssignments(IResourceBuilder<T>, IResourceBuilder<AzureWebPubSubResource>, WebPubSubBuiltInRole[])](/reference/api/csharp/aspire.hosting.azure.webpubsub/azurewebpubsubextensions/methods.md#withroleassignments-iresourcebuilder-t-iresourcebuilder-azurewebpubsubresource-webpubsubbuiltinrole) : `IResourceBuilder<T>` `extension` `ats ignored` -- Assigns the specified roles to the given resource, granting it the necessary permissions on the target Azure Web PubSub resource. This replaces the default role assignments for the resource.