---
title: sectionIdentifiers
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nsdiffabledatasourcesnapshot-swift.struct/sectionidentifiers
---

# sectionIdentifiers

The identifiers of all of the sections in the snapshot.

## Declaration

```swift
var sectionIdentifiers: [SectionIdentifierType] { get }
```

## See Also

### Identifying Items and Sections

- [itemIdentifiers](appkit/nsdiffabledatasourcesnapshot-swift.struct/itemidentifiers.md)
- [indexOfItem(_:)](appkit/nsdiffabledatasourcesnapshot-swift.struct/indexofitem(_:).md)
- [indexOfSection(_:)](appkit/nsdiffabledatasourcesnapshot-swift.struct/indexofsection(_:).md)
- [itemIdentifiers(inSection:)](appkit/nsdiffabledatasourcesnapshot-swift.struct/itemidentifiers(insection:).md)
- [sectionIdentifier(containingItem:)](appkit/nsdiffabledatasourcesnapshot-swift.struct/sectionidentifier(containingitem:).md)