# DetailedGrainStatistic.GrainId

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.detailedgrainstatistic/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.runtime.detailedgrainstatistic/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core/Statistics/SiloRuntimeStatistics.cs)

```csharp
[Orleans.Id(2)]
public GrainId GrainId
```

Unique Id for the grain.