# DistributedApplicationBuilderExtensions Methods

- Package: [CommunityToolkit.Aspire.Hosting.PowerShell](/reference/api/csharp/communitytoolkit.aspire.hosting.powershell.md)
- Type: [DistributedApplicationBuilderExtensions](/reference/api/csharp/communitytoolkit.aspire.hosting.powershell/distributedapplicationbuilderextensions.md)
- Kind: `Methods`
- Members: `1`

Extensions for the `Hosting.IDistributedApplicationBuilder` to add PowerShell runspace pool resources.

## AddPowerShell(IDistributedApplicationBuilder, string, PSLanguageMode, int, int)

- Name: `AddPowerShell(IDistributedApplicationBuilder, string, PSLanguageMode, int, int)`
- Modifiers: `extension`
- Returns: `IResourceBuilder<PowerShellRunspacePoolResource>`
- Source: [GitHub](https://github.com/CommunityToolkit/Aspire/blob/67afcca30f02c18687f9c5219313710af9706630/src/CommunityToolkit.Aspire.Hosting.PowerShell/DistributedApplicationBuilderExtensions.cs#L33-L83)

Adds a PowerShell runspace pool resource to the distributed application.

```csharp
public static class DistributedApplicationBuilderExtensions
{
    public static IResourceBuilder<PowerShellRunspacePoolResource> AddPowerShell(
        this IDistributedApplicationBuilder builder,
        string name,
        PSLanguageMode languageMode = 3,
        int minRunspaces = 1,
        int maxRunspaces = 5)
    {
        // ...
    }
}
```

## Parameters

- `builder` (`IDistributedApplicationBuilder`)
- `name` (`string`)
- `languageMode` (`PSLanguageMode`) `optional`
- `minRunspaces` (`int`) `optional`
- `maxRunspaces` (`int`) `optional`

## Exceptions

- `ArgumentException`
- `DistributedApplicationException`