# PlacementStrategyExtensions.AddPlacementDirector(ISiloBuilder)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.hosting.placementstrategyextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.hosting.placementstrategyextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Hosting/PlacementStrategyExtensions.cs#L24)

```csharp
public static ISiloBuilder AddPlacementDirector<TStrategy, TDirector>(this ISiloBuilder builder)
```

Configures a `TDirector` as the placement director for placement strategy `TStrategy`.

### Parameters

- `builder` (`ISiloBuilder`): The builder.

### Returns

The builder.