---
title: "toolPickerVisibilityDidChange(_:)"
framework: pencilkit
role: symbol
role_heading: Instance Method
path: "pencilkit/pktoolpickerobserver/toolpickervisibilitydidchange(_:)"
---

# toolPickerVisibilityDidChange(_:)

Tells the observer when a person shows or hides the tool picker.

## Declaration

```swift
optional func toolPickerVisibilityDidChange(_ toolPicker: PKToolPicker)
```

## Parameters

- `toolPicker`: The tool picker whose configuration changed.

## See Also

### Monitoring visibility changes

- [toolPickerFramesObscuredDidChange(_:)](pencilkit/pktoolpickerobserver/toolpickerframesobscureddidchange(_:).md)