# UniqueKey.NewSystemTargetKey(Guid, long)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.uniquekey/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.uniquekey/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/IDs/Legacy/UniqueKey.cs#L112)

```csharp
public static UniqueKey NewSystemTargetKey(Guid guid, long typeData)
```

### Parameters

- `guid` (`Guid`)
- `typeData` (`long`)