# AzureOpenAIExtensions

- Kind: `class`
- Package: [Aspire.Hosting.Azure.CognitiveServices](/reference/api/csharp/aspire.hosting.azure.cognitiveservices.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.CognitiveServices/AzureOpenAIExtensions.cs)

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

## Definition

```csharp
namespace Aspire.Hosting;

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

## Methods

- [AddAzureOpenAI(IDistributedApplicationBuilder, string)](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenaiextensions/methods.md#addazureopenai-idistributedapplicationbuilder-string) : `IResourceBuilder<AzureOpenAIResource>` `extension` `ats export` -- Adds an Azure OpenAI resource to the application model.
- [AddDeployment(IResourceBuilder<AzureOpenAIResource>, AzureOpenAIDeployment)](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenaiextensions/methods.md#adddeployment-iresourcebuilder-azureopenairesource-azureopenaideployment) : `IResourceBuilder<AzureOpenAIResource>` `extension` `obsolete` `ats ignored` -- Adds an Azure OpenAI Deployment to the [AzureOpenAIResource](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenairesource.md) resource. This resource requires an [AzureOpenAIResource](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenairesource.md) to be added to the application model.
- [AddDeployment(IResourceBuilder<AzureOpenAIResource>, string, string, string)](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenaiextensions/methods.md#adddeployment-iresourcebuilder-azureopenairesource-string-string-string) : `IResourceBuilder<AzureOpenAIDeploymentResource>` `extension` `ats export` -- Adds and returns an Azure OpenAI Deployment resource to the [AzureOpenAIResource](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenairesource.md) resource.
- [WithProperties(IResourceBuilder<AzureOpenAIDeploymentResource>, Action<AzureOpenAIDeploymentResource>)](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenaiextensions/methods.md#withproperties-iresourcebuilder-azureopenaideploymentresource-action-azureopenaideploymentresource) : `IResourceBuilder<AzureOpenAIDeploymentResource>` `extension` `ats export` -- Allows setting the properties of an Azure OpenAI Deployment resource.
- [WithRoleAssignments(IResourceBuilder<T>, IResourceBuilder<AzureOpenAIResource>, CognitiveServicesBuiltInRole[])](/reference/api/csharp/aspire.hosting.azure.cognitiveservices/azureopenaiextensions/methods.md#withroleassignments-iresourcebuilder-t-iresourcebuilder-azureopenairesource-cognitiveservicesbuiltinrole) : `IResourceBuilder<T>` `extension` `ats ignored` -- Assigns the specified roles to the given resource, granting it the necessary permissions on the target Azure OpenAI resource. This replaces the default role assignments for the resource.