# SystemTargetPlacementStrategy Properties

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.systemtargetplacementstrategy/)

## Instance {#instance-9f503b7b}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.systemtargetplacementstrategy/properties/instance-9f503b7b/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/Placement/SystemTargetPlacementStrategy.cs#L9)

```csharp
public static SystemTargetPlacementStrategy Instance
```

## IsUsingGrainDirectory {#isusinggraindirectory-19fec816}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.systemtargetplacementstrategy/properties/isusinggraindirectory-19fec816/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/Placement/SystemTargetPlacementStrategy.cs#L11)

```csharp
public override bool IsUsingGrainDirectory
```

Gets a value indicating whether or not this placement strategy requires activations to be registered in the grain directory.