---
title: "init(forSupplementaryViewOfKind:with:)"
framework: appkit
role: symbol
role_heading: Initializer
path: "appkit/nscollectionviewlayoutattributes/init(forsupplementaryviewofkind:with:)"
---

# init(forSupplementaryViewOfKind:with:)

Creates and returns a layout attributes object for a supplementary view based on the specified information.

## Declaration

```swift
convenience init(forSupplementaryViewOfKind elementKind: NSCollectionView.SupplementaryElementKind, with indexPath: IndexPath)
```

## Parameters

- `elementKind`: A string that identifies the type of the supplementary view. Use this string to differentiate from among the supplementary views in a given section. This parameter must contain a valid value.
- `indexPath`: The index path of the item. You can use this information to identify the item in your app’s data structures. This parameter must contain a valid value.

## Return Value

Return Value A new layout attributes object configured with the initial attributes for the supplementary view.

## Discussion

Discussion Call this method when you need to create a layout attributes object for a supplementary view in a collection view. Supplementary views are a secondary type of content that display data related to a specific section. For example, header and footer views in a grid layout implemented using supplementary views. This method uses the parameters to set the initial values of the indexPath and representedElementKind properties the returned object.

## See Also

### Creating Layout Attributes

- [init(forItemWith:)](appkit/nscollectionviewlayoutattributes/init(foritemwith:).md)
- [init(forDecorationViewOfKind:with:)](appkit/nscollectionviewlayoutattributes/init(fordecorationviewofkind:with:).md)
- [init(forInterItemGapBefore:)](appkit/nscollectionviewlayoutattributes/init(forinteritemgapbefore:).md)
- [NSCollectionView.DecorationElementKind](appkit/nscollectionview/decorationelementkind.md)