---
title: Flow layout supplementary views
framework: uikit
role: collectionGroup
role_heading: API Collection
path: uikit/flow-layout-supplementary-views
---

# Flow layout supplementary views

Constants that specify the types of supplementary views that can be presented using a flow layout.

## Topics

### Constants

- [elementKindSectionHeader](uikit/uicollectionview/elementkindsectionheader.md)
- [elementKindSectionFooter](uikit/uicollectionview/elementkindsectionfooter.md)

## See Also

### Configuring headers and footers

- [headerReferenceSize](uikit/uicollectionviewflowlayout/headerreferencesize.md)
- [footerReferenceSize](uikit/uicollectionviewflowlayout/footerreferencesize.md)