# `GSPenProtocol drawInPen:`

*Instance Method*

## Declaration

```swift
optional func draw(inPen pen: (any GSPenProtocol & NSObjectProtocol)!)
```

```objc
- (void) drawInPen:(NSObject<GSPenProtocol> *) pen;
```

```python
drawInPen_(pen: NSObject<GSPenProtocol>)
```