---
title: keyDown
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsevent/eventtypemask/keydown
---

# keyDown

A mask for key-down events.

## Declaration

```swift
static var keyDown: NSEvent.EventTypeMask { get }
```

## See Also

### Getting Keyboard Events

- [keyUp](appkit/nsevent/eventtypemask/keyup.md)