---
title: NSMutableFontCollection
framework: appkit
role: symbol
role_heading: Class
path: appkit/nsmutablefontcollection
---

# NSMutableFontCollection

A mutable collection of font descriptors taken together as a single object.

## Declaration

```swift
class NSMutableFontCollection
```

## Overview

Overview You can use this class to modify the search queries for the font descriptors used by the parent NSFontCollection class.

## Topics

### Creating a Font Collection

- [init(descriptors:)](appkit/nsmutablefontcollection/init(descriptors:).md)
- [init(locale:)](appkit/nsmutablefontcollection/init(locale:).md)
- [init(name:)](appkit/nsmutablefontcollection/init(name:).md)
- [init(name:visibility:)](appkit/nsmutablefontcollection/init(name:visibility:).md)
- [withAllAvailableDescriptors](appkit/nsmutablefontcollection/withallavailabledescriptors.md)

### Getting the Font Descriptors

- [queryDescriptors](appkit/nsmutablefontcollection/querydescriptors.md)
- [addQuery(for:)](appkit/nsmutablefontcollection/addquery(for:).md)
- [removeQuery(for:)](appkit/nsmutablefontcollection/removequery(for:).md)
- [exclusionDescriptors](appkit/nsmutablefontcollection/exclusiondescriptors.md)

## Relationships

### Inherits From

- [NSFontCollection](appkit/nsfontcollection.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)
- [NSMutableCopying](foundation/nsmutablecopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Management

- [NSFontManager](appkit/nsfontmanager.md)
- [NSFontCollection](appkit/nsfontcollection.md)
- [NSFontCollectionOptions](appkit/nsfontcollectionoptions.md)