---
title: Flow Layout Elements
framework: appkit
role: collectionGroup
role_heading: API Collection
path: appkit/flow-layout-elements
---

# Flow Layout Elements

Constants for specifying the types of supplementary views that can be displayed by a flow layout.

## Topics

### Constants

- [elementKindSectionHeader](appkit/nscollectionview/elementkindsectionheader.md)
- [elementKindSectionFooter](appkit/nscollectionview/elementkindsectionfooter.md)

## See Also

### Constants

- [NSCollectionView.ScrollDirection](appkit/nscollectionview/scrolldirection.md)