---
title: "rename(fromName:visibility:toName:)"
framework: appkit
role: symbol
role_heading: Type Method
path: "appkit/nsfontcollection/rename(fromname:visibility:toname:)"
---

# rename(fromName:visibility:toName:)

Renames the font collection with the specified name and visibility to the second name specified.

## Declaration

```swift
class func rename(fromName oldName: NSFontCollection.Name, visibility: NSFontCollection.Visibility, toName newName: NSFontCollection.Name) throws
```

## Parameters

- `oldName`: The collection to rename.
- `visibility`: The visibility of the collection to rename.
- `newName`: The new name to give to the collection.

## Discussion

Discussion Named collections are shown by user interfaces such as the Font panel. When you change the collection, you must show it again to see the changes reflected on disk or in the Font panel. note: In Swift, this method returns a nonoptional result and is marked with the throws keyword to indicate that it throws an error in cases of failure. You call this method in a try expression and handle any errors in the catch clauses of a do statement, as described in Error Handling in The Swift Programming Language and About Imported Cocoa Error Parameters.

## See Also

### Naming the Font Collection

- [show(_:withName:visibility:)](appkit/nsfontcollection/show(_:withname:visibility:).md)
- [hide(withName:visibility:)](appkit/nsfontcollection/hide(withname:visibility:).md)
- [allFontCollectionNames](appkit/nsfontcollection/allfontcollectionnames.md)
- [NSFontCollection.Name](appkit/nsfontcollection/name.md)
- [NSFontCollection.Visibility](appkit/nsfontcollection/visibility.md)