# IBroadcastChannelSubscription.ChannelId

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.ibroadcastchannelsubscription/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.ibroadcastchannelsubscription/properties/)

```csharp
public abstract ChannelId ChannelId
```