# `GSWindowController.toolEventHandler`

*Instance Property*

## Declaration

```swift
var toolEventHandler: any NSResponder & GlyphsTool & GlyphsToolEvent { get }
```

```objc
@property (nonatomic, readonly) NSResponder<GlyphsTool,GlyphsToolEvent> * toolEventHandler;
```

```python
toolEventHandler() -> NSResponder<GlyphsTool,GlyphsToolEvent>
```