---
title: "changeCaseOfLetter(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsstandardkeybindingresponding/changecaseofletter(_:)"
---

# changeCaseOfLetter(_:)

## Declaration

```swift
optional func changeCaseOfLetter(_ sender: Any?)
```

## See Also

### Changing Capitalization

- [capitalizeWord(_:)](appkit/nsstandardkeybindingresponding/capitalizeword(_:).md)
- [lowercaseWord(_:)](appkit/nsstandardkeybindingresponding/lowercaseword(_:).md)
- [uppercaseWord(_:)](appkit/nsstandardkeybindingresponding/uppercaseword(_:).md)