---
title: "browser(_:isLeafItem:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsbrowserdelegate/browser(_:isleafitem:)"
---

# browser(_:isLeafItem:)

Asks the delegate whether the specified item is a leaf item (an item that cannot be expanded).

## Declaration

```swift
@MainActor optional func browser(_ browser: NSBrowser, isLeafItem item: Any?) -> Bool
```

## Parameters

- `browser`: The browser.
- `item`: The item to be checked.

## Return Value

Return Value true if the specified item is a leaf item; otherwise, false.

## See Also

### Accessing Components

- [browser(_:child:ofItem:)](appkit/nsbrowserdelegate/browser(_:child:ofitem:).md)
- [browser(_:shouldEditItem:)](appkit/nsbrowserdelegate/browser(_:shouldedititem:).md)
- [browser(_:objectValueForItem:)](appkit/nsbrowserdelegate/browser(_:objectvalueforitem:).md)
- [browser(_:setObjectValue:forItem:)](appkit/nsbrowserdelegate/browser(_:setobjectvalue:foritem:).md)
- [rootItem(for:)](appkit/nsbrowserdelegate/rootitem(for:).md)
- [browser(_:previewViewControllerForLeafItem:)](appkit/nsbrowserdelegate/browser(_:previewviewcontrollerforleafitem:).md)
- [browser(_:headerViewControllerForItem:)](appkit/nsbrowserdelegate/browser(_:headerviewcontrollerforitem:).md)