---
title: kCTRubyAnnotationAttributeName
framework: Core Text
role: symbol
role_heading: Global Variable
platforms: [iOS 8.0+, iPadOS 8.0+, Mac Catalyst 13.1+, macOS 10.10+, tvOS 9.0+, visionOS 1.0+, watchOS 2.0+]
path: coretext/kctrubyannotationattributename
---

# kCTRubyAnnotationAttributeName

## Declaration

```swift
let kCTRubyAnnotationAttributeName: CFString
```

## See Also

### Constants

- [ATSFONTREF_DEFINED](coretext/atsfontref_defined.md)
- [kBSLNIdeographicHighBaseline](coretext/kbslnideographichighbaseline.md)
- [kCTAdaptiveImageProviderAttributeName](coretext/kctadaptiveimageproviderattributename.md)
- [kCTBackgroundColorAttributeName](coretext/kctbackgroundcolorattributename.md)
- [kCTBaselineClassAttributeName](coretext/kctbaselineclassattributename.md)
- [kCTBaselineClassHanging](coretext/kctbaselineclasshanging.md)
- [kCTBaselineClassIdeographicCentered](coretext/kctbaselineclassideographiccentered.md)
- [kCTBaselineClassIdeographicHigh](coretext/kctbaselineclassideographichigh.md)
- [kCTBaselineClassIdeographicLow](coretext/kctbaselineclassideographiclow.md)
- [kCTBaselineClassMath](coretext/kctbaselineclassmath.md)
- [kCTBaselineClassRoman](coretext/kctbaselineclassroman.md)
- [kCTBaselineInfoAttributeName](coretext/kctbaselineinfoattributename.md)
- [kCTBaselineOriginalFont](coretext/kctbaselineoriginalfont.md)
- [kCTBaselineReferenceFont](coretext/kctbaselinereferencefont.md)
- [kCTBaselineReferenceInfoAttributeName](coretext/kctbaselinereferenceinfoattributename.md)