# PlacementStrategyExtensions.AddPlacementDirector(IServiceCollection, ServiceLifetime)

[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#L63-L65)

```csharp
public static void AddPlacementDirector<TStrategy, TDirector>(this IServiceCollection services, ServiceLifetime strategyLifetime)
```

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

### Parameters

- `services` (`IServiceCollection`): The service collection.
- `strategyLifetime` (`ServiceLifetime`): The lifetime of the placement strategy.

### Returns

The service collection.