---
title: "itemIdentifiersInSection(withIdentifier:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsdiffabledatasourcesnapshotreference/itemidentifiersinsection(withidentifier:)"
---

# itemIdentifiersInSection(withIdentifier:)

Returns the identifiers of all of the items in the specified section of the snapshot.

## Declaration

```swift
func itemIdentifiersInSection(withIdentifier sectionIdentifier: Any) -> [Any]
```

## Parameters

- `sectionIdentifier`: The identifier of the section of the snapshot.

## Return Value

Return Value An array of identifiers of the items contained in the section.

## See Also

### Identifying items and sections

- [itemIdentifiers](appkit/nsdiffabledatasourcesnapshotreference/itemidentifiers.md)
- [sectionIdentifiers](appkit/nsdiffabledatasourcesnapshotreference/sectionidentifiers.md)
- [index(ofItemIdentifier:)](appkit/nsdiffabledatasourcesnapshotreference/index(ofitemidentifier:).md)
- [index(ofSectionIdentifier:)](appkit/nsdiffabledatasourcesnapshotreference/index(ofsectionidentifier:).md)
- [sectionIdentifier(forSectionContainingItemIdentifier:)](appkit/nsdiffabledatasourcesnapshotreference/sectionidentifier(forsectioncontainingitemidentifier:).md)