---
title: NSPropertyMapping
framework: coredata
role: symbol
role_heading: Class
path: coredata/nspropertymapping
---

# NSPropertyMapping

A mapping instance that specifies in a model how to map from a property in a source entity to a property in a destination entity.

## Declaration

```swift
class NSPropertyMapping
```

## Topics

### Managing Mapping Attributes

- [name](coredata/nspropertymapping/name.md)
- [valueExpression](coredata/nspropertymapping/valueexpression.md)
- [userInfo](coredata/nspropertymapping/userinfo.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Entity Mapping

- [NSMigrationManager](coredata/nsmigrationmanager.md)
- [NSMappingModel](coredata/nsmappingmodel.md)
- [NSEntityMapping](coredata/nsentitymapping.md)
- [NSEntityMigrationPolicy](coredata/nsentitymigrationpolicy.md)
- [NSEntityMappingType](coredata/nsentitymappingtype.md)