# IStreamPubSub.ProducerCount(QualifiedStreamId)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreampubsub/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreampubsub/methods/)

```csharp
public abstract Task<int> ProducerCount(QualifiedStreamId streamId)
```

### Parameters

- `streamId` (`QualifiedStreamId`)