---
title: "init(fontCollection:action:collectionName:oldName:visibility:)"
framework: appkit
role: symbol
role_heading: Initializer
path: "appkit/nsfontcollection/didchangemessage/init(fontcollection:action:collectionname:oldname:visibility:)"
---

# init(fontCollection:action:collectionName:oldName:visibility:)

## Declaration

```swift
init(fontCollection: NSFontCollection, action: NSFontCollection.ActionTypeKey, collectionName: String? = nil, oldName: String? = nil, visibility: NSFontCollection.Visibility? = nil)
```