---
title: NSTextCheckingKey
framework: foundation
role: symbol
role_heading: Structure
path: foundation/nstextcheckingkey
---

# NSTextCheckingKey

## Declaration

```swift
struct NSTextCheckingKey
```

## Topics

### Initializers

- [init(_:)](foundation/nstextcheckingkey/init(_:).md)
- [init(rawValue:)](foundation/nstextcheckingkey/init(rawvalue:).md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Constants

- [Keys for Transit Components](foundation/keys-for-transit-components.md)
- [Keys for Address Components](foundation/keys-for-address-components.md)
- [NSTextCheckingResult.CheckingType](foundation/nstextcheckingresult/checkingtype.md)
- [NSTextCheckingTypes](foundation/nstextcheckingtypes.md)
- [Anonymous](foundation/1476845-anonymous.md)