# ScriptCallOptimizationLevel

> Script call optimization level.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEditor](/engine/6000.6/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public enum ScriptCallOptimizationLevel
```

## Fields

| Value                                                                                                                 | Description                                                                    |
| --------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------ |
| [FastButNoExceptions](/engine/6000.6/script-reference/unityeditor/scriptcalloptimizationlevel/fastbutnoexceptions.md) | Script method call overhead decreased at the expense of limited compatibility. |
| [SlowAndSafe](/engine/6000.6/script-reference/unityeditor/scriptcalloptimizationlevel/slowandsafe.md)                 | Default setting.                                                               |