# StreamId.GetKeyAsString

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/StreamId.cs#L231)

```csharp
public string GetKeyAsString()
```

Returns the [StreamId](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.runtime.streamid/) component of this instance as a string.

### Returns

The key component of this instance.