---
title: NSFetchIndexDescription
framework: coredata
role: symbol
role_heading: Class
path: coredata/nsfetchindexdescription
---

# NSFetchIndexDescription

The description of the index.

## Declaration

```swift
class NSFetchIndexDescription
```

## Topics

### Creating an Index Description

- [init(name:elements:)](coredata/nsfetchindexdescription/init(name:elements:).md)

### Inspecting an Index Description

- [elements](coredata/nsfetchindexdescription/elements.md)
- [entity](coredata/nsfetchindexdescription/entity.md)
- [name](coredata/nsfetchindexdescription/name.md)
- [partialIndexPredicate](coredata/nsfetchindexdescription/partialindexpredicate.md)

### Initializers

- [init(coder:)](coredata/nsfetchindexdescription/init(coder:).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)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Working with indexes

- [NSFetchIndexElementType](coredata/nsfetchindexelementtype.md)
- [NSFetchIndexElementDescription](coredata/nsfetchindexelementdescription.md)