---
title: isDocumentEdited
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nswindow/isdocumentedited
---

# isDocumentEdited

A Boolean value that indicates whether the window’s document has been edited.

## Declaration

```swift
var isDocumentEdited: Bool { get set }
```

## Discussion

Discussion The value of this property is true when the window’s document has been edited; otherwise, false. Initially, by default, NSWindow objects are in the “not edited” state. You should set isDocumentEdited to true every time the window’s document changes in such a way that it needs to be saved. Conversely, when the document is saved, you should set the property to true when the window’s document has been edited; otherwise, false. Then, before closing the window you can examine the value of the property to determine whether to allow the user a chance to save the document.