---
title: kFxModifierKey_OPTION
framework: Professional Video Applications
role: symbol
role_heading: Global Variable
platforms: [fxplug 3.1+]
path: professional_video_applications/kfxmodifierkey_option
---

# kFxModifierKey_OPTION

Specifies the left or right Option key.

## Declaration

```swift
var kFxModifierKey_OPTION: Int { get }
```

## See Also

### Constants

- [kFxModifierKey_SHIFT](professional_video_applications/kfxmodifierkey_shift.md)
- [kFxModifierKey_CONTROL](professional_video_applications/kfxmodifierkey_control.md)
- [kFxModifierKey_COMMAND](professional_video_applications/kfxmodifierkey_command.md)
- [kFxModifierKey_CAPS_LOCK](professional_video_applications/kfxmodifierkey_caps_lock.md)