# AzureAppServiceEnvironmentResource Methods

- Package: [Aspire.Hosting.Azure.AppService](/reference/api/csharp/aspire.hosting.azure.appservice.md)
- Type: [AzureAppServiceEnvironmentResource](/reference/api/csharp/aspire.hosting.azure.appservice/azureappserviceenvironmentresource.md)
- Kind: `Methods`
- Members: `2`

Represents an Azure App Service Environment resource.

## AddAsExistingResource(AzureResourceInfrastructure)

- Name: `AddAsExistingResource(AzureResourceInfrastructure)`
- Modifiers: `override`
- Returns: `ProvisionableResource`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/5bd693ae1897dee5e2ce71c2cc08879c1c7eff51/src/Aspire.Hosting.Azure.AppService/AzureAppServiceEnvironmentResource.cs#L489-L512)

```csharp
public class AzureAppServiceEnvironmentResource
{
    public override ProvisionableResource AddAsExistingResource(
        AzureResourceInfrastructure infra)
    {
        // ...
    }
}
```

## Parameters

- `infra` (`AzureResourceInfrastructure`)

## GetHostAddressExpression(EndpointReference)

> **Experimental:** ASPIRECOMPUTE002 - [Learn more](/diagnostics/aspirecompute002/)

- Name: `GetHostAddressExpression(EndpointReference)`
- Returns: `ReferenceExpression`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/5bd693ae1897dee5e2ce71c2cc08879c1c7eff51/src/Aspire.Hosting.Azure.AppService/AzureAppServiceEnvironmentResource.cs#L482-L483)

```csharp
public class AzureAppServiceEnvironmentResource
{
    public ReferenceExpression GetHostAddressExpression(
        EndpointReference endpointReference)
    {
        // ...
    }
}
```

## Parameters

- `endpointReference` (`EndpointReference`)