# ChannelId.GetNamespace

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.BroadcastChannel/ChannelId.cs#L206)

```csharp
public string? GetNamespace()
```

Returns the [ChannelId](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.channelid/) component of this instance as a string.

### Returns

The namespace component of this instance.