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# UICollectionViewFlowLayout.SectionInsetReference

Constants that describe the reference point of the section insets.

```
enum SectionInsetReference
```

## Topics

### Constants

[`UICollectionViewFlowLayout.SectionInsetReference.fromContentInset`](/documentation/UIKit/UICollectionViewFlowLayout/SectionInsetReference-swift.enum/fromContentInset)

Section insets are defined in relation to the collection view’s content inset.

[`UICollectionViewFlowLayout.SectionInsetReference.fromLayoutMargins`](/documentation/UIKit/UICollectionViewFlowLayout/SectionInsetReference-swift.enum/fromLayoutMargins)

Section insets are defined in relation to the margins of the layout.

[`UICollectionViewFlowLayout.SectionInsetReference.fromSafeArea`](/documentation/UIKit/UICollectionViewFlowLayout/SectionInsetReference-swift.enum/fromSafeArea)

Section insets are defined in relation to the safe area of the layout.


---

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