# ChannelId.Key

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.BroadcastChannel/ChannelId.cs#L41)

```csharp
public ReadOnlyMemory<byte> Key
```

Gets the key.

### Value

The key.