---
title: invalidatedSupplementaryIndexPaths
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uicollectionviewlayoutinvalidationcontext/invalidatedsupplementaryindexpaths
---

# invalidatedSupplementaryIndexPaths

A dictionary that identifies the supplementary views that were invalidated.

## Declaration

```swift
var invalidatedSupplementaryIndexPaths: [String : [IndexPath]]? { get }
```

## Discussion

Discussion The keys in this dictionary are the element kind strings of the invalid supplementary views. The value for each key is an array of NSIndexPath objects indicating which specific supplementary views have layout changes.

## See Also

### Invalidating Specific Items

- [invalidateItems(at:)](uikit/uicollectionviewlayoutinvalidationcontext/invalidateitems(at:).md)
- [invalidateSupplementaryElements(ofKind:at:)](uikit/uicollectionviewlayoutinvalidationcontext/invalidatesupplementaryelements(ofkind:at:).md)
- [invalidateDecorationElements(ofKind:at:)](uikit/uicollectionviewlayoutinvalidationcontext/invalidatedecorationelements(ofkind:at:).md)
- [invalidatedItemIndexPaths](uikit/uicollectionviewlayoutinvalidationcontext/invalidateditemindexpaths.md)
- [invalidatedDecorationIndexPaths](uikit/uicollectionviewlayoutinvalidationcontext/invalidateddecorationindexpaths.md)