---
title: "CTFontCollectionCreateMutableCopy(_:)"
framework: coretext
role: symbol
role_heading: Function
path: "coretext/ctfontcollectioncreatemutablecopy(_:)"
---

# CTFontCollectionCreateMutableCopy(_:)

Creates a mutable copy of the original collection.

## Declaration

```swift
func CTFontCollectionCreateMutableCopy(_ original: CTFontCollection) -> CTMutableFontCollection
```

## Parameters

- `original`: The original font collection reference.

## Return Value

Return Value A mutable copy of the original font collection.

## See Also

### Creating Font Collections

- [CTFontCollectionCreateFromAvailableFonts(_:)](coretext/ctfontcollectioncreatefromavailablefonts(_:).md)
- [CTFontCollectionCreateWithFontDescriptors(_:_:)](coretext/ctfontcollectioncreatewithfontdescriptors(_:_:).md)
- [CTFontCollectionCreateCopyWithFontDescriptors(_:_:_:)](coretext/ctfontcollectioncreatecopywithfontdescriptors(_:_:_:).md)