# LeftParen

> Left Parenthesis key '('. Deprecated if "Use Physical Keys" is enabled in Input Manager settings, use KeyCode.Alpha9 instead.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
LeftParen = 40
```