---
title: NSPropertySpecifier
framework: foundation
role: symbol
role_heading: Class
path: foundation/nspropertyspecifier
---

# NSPropertySpecifier

A specifier for a simple attribute value, a one-to-one relationship, or all elements of a to-many relationship.

## Declaration

```swift
class NSPropertySpecifier
```

## Overview

Overview You don’t typically subclass NSPropertySpecifier.

## Relationships

### Inherits From

- [NSScriptObjectSpecifier](foundation/nsscriptobjectspecifier.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Related Documentation

- [Cocoa Scripting Guide](apple-archive/documentation/Cocoa/Conceptual/ScriptableCocoaApplications/SApps_intro/SAppsIntro.html.md)

### Object Specifiers

- [NSScriptObjectSpecifier](foundation/nsscriptobjectspecifier.md)
- [NSPositionalSpecifier](foundation/nspositionalspecifier.md)
- [NSRandomSpecifier](foundation/nsrandomspecifier.md)
- [NSRangeSpecifier](foundation/nsrangespecifier.md)
- [NSUniqueIDSpecifier](foundation/nsuniqueidspecifier.md)
- [NSWhoseSpecifier](foundation/nswhosespecifier.md)
- [NSNameSpecifier](foundation/nsnamespecifier.md)
- [NSMiddleSpecifier](foundation/nsmiddlespecifier.md)
- [NSIndexSpecifier](foundation/nsindexspecifier.md)
- [NSRelativeSpecifier](foundation/nsrelativespecifier.md)