# onCurveWasModified

> Called when an animation curve, in an animation clip, is modified.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
public static AnimationUtility.OnCurveWasModified onCurveWasModified
```