# Sandbox.Speech.Recognition.Start

```csharp
static void Start(OnSpeechResult callback, IEnumerable<string> choices = null)
```

### Parameters

- `callback` (`OnSpeechResult`)
- `choices` (`IEnumerable<string>`), default `null`

Declared in [Sandbox.Speech.Recognition](/api/Sandbox.Speech.Recognition).
Assembly: `Sandbox.Engine`.