# IBroadcastChannelProvider.GetChannelWriter(ChannelId)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.ibroadcastchannelprovider/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.ibroadcastchannelprovider/methods/)

```csharp
public abstract IBroadcastChannelWriter<T> GetChannelWriter<T>(ChannelId streamId)
```

Get a writer to a channel.

### Parameters

- `streamId` (`ChannelId`): The channel identifier.