# PlacementStrategyResolver.PlacementStrategyResolver(IServiceProvider, IEnumerable<IPlacementStrategyResolver>, GrainPropertiesResolver)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.placement.placementstrategyresolver/) | [Constructors](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.placement.placementstrategyresolver/constructors/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Placement/PlacementStrategyResolver.cs#L20-L40)

```csharp
public PlacementStrategyResolver(IServiceProvider services, IEnumerable<IPlacementStrategyResolver> resolvers, GrainPropertiesResolver grainPropertiesResolver)
```

Create a [PlacementStrategyResolver](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.placement.placementstrategyresolver/) instance.

### Parameters

- `services` (`IServiceProvider`)
- `resolvers` (`IEnumerable<IPlacementStrategyResolver>`)
- `grainPropertiesResolver` (`GrainPropertiesResolver`)