# IPartitionKeyProvider

Package: [Microsoft.Orleans.Persistence.Cosmos](/orleans/docs/api/csharp/microsoft.orleans.persistence.cosmos/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Persistence.Cosmos) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Azure/Orleans.Persistence.Cosmos/IPartitionKeyProvider.cs#L6)

```csharp
public interface IPartitionKeyProvider
```

Creates a partition key for the provided grain.

## Methods

- [GetPartitionKey(string, GrainId)](/orleans/docs/api/csharp/microsoft.orleans.persistence.cosmos/orleans.persistence.cosmos.ipartitionkeyprovider/methods/getpartitionkey-string-orleans-runtime-grainid-946f25f0/)