# ProducerUnregistered.ProducerGrainId

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streaming.diagnostics.streamingevents.producerunregistered/) | [Fields](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streaming.diagnostics.streamingevents.producerunregistered/fields/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/Diagnostics/StreamingEvents.cs)

```csharp
public readonly GrainId ProducerGrainId
```

The producer grain ID.