---
title: invalidatedItemIndexPaths
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uicollectionviewlayoutinvalidationcontext/invalidateditemindexpaths
---

# invalidatedItemIndexPaths

An array of index paths representing the cells that were invalidated.

## Declaration

```swift
var invalidatedItemIndexPaths: [IndexPath]? { get }
```

## Discussion

Discussion The array contains zero or more NSIndexPath objects, each of which represents a cell whose layout changed.

## 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)
- [invalidatedSupplementaryIndexPaths](uikit/uicollectionviewlayoutinvalidationcontext/invalidatedsupplementaryindexpaths.md)
- [invalidatedDecorationIndexPaths](uikit/uicollectionviewlayoutinvalidationcontext/invalidateddecorationindexpaths.md)