---
title: UIKeyModifierFlags
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uikeymodifierflags
---

# UIKeyModifierFlags

Constants that indicate which modifier keys are pressed.

## Declaration

```swift
struct UIKeyModifierFlags
```

## Topics

### Modifier flags

- [alphaShift](uikit/uikeymodifierflags/alphashift.md)
- [shift](uikit/uikeymodifierflags/shift.md)
- [control](uikit/uikeymodifierflags/control.md)
- [alternate](uikit/uikeymodifierflags/alternate.md)
- [command](uikit/uikeymodifierflags/command.md)
- [numericPad](uikit/uikeymodifierflags/numericpad.md)

### Initializers

- [init(rawValue:)](uikit/uikeymodifierflags/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)

## See Also

### Getting information about the key command

- [title](uikit/uikeycommand/title.md)
- [image](uikit/uikeycommand/image.md)
- [input](uikit/uikeycommand/input.md)
- [action](uikit/uikeycommand/action.md)
- [modifierFlags](uikit/uikeycommand/modifierflags.md)
- [discoverabilityTitle](uikit/uikeycommand/discoverabilitytitle.md)
- [attributes](uikit/uikeycommand/attributes.md)
- [state](uikit/uikeycommand/state.md)