---
title: "scrubber(_:layout:sizeForItemAt:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsscrubberflowlayoutdelegate/scrubber(_:layout:sizeforitemat:)"
---

# scrubber(_:layout:sizeForItemAt:)

Asks the delegate for the size of each item in a scrubber whose items are arranged in a flow layout.

## Declaration

```swift
optional func scrubber(_ scrubber: NSScrubber, layout: NSScrubberFlowLayout, sizeForItemAt itemIndex: Int) -> NSSize
```

## Parameters

- `scrubber`: The scrubber object displaying the items arranged in a flow layout.
- `layout`: The layout object requesting the information.
- `itemIndex`: The index of the item in the scrubber.

## Return Value

Return Value The width and height of the item at the specified index in the scrubber.