---
title: id
framework: swiftui
role: symbol
role_heading: Instance Property
path: swiftui/sectionedfetchresults/section/id
---

# id

The value that all entities in the section share for a specified key path.

## Declaration

```swift
@MainActor @preconcurrency let id: SectionIdentifier
```

## Discussion

Discussion Specify the key path that the entities share this value with by setting the SectionedFetchRequest instance’s sectionIdentifier parameter during initialization, or by modifying the corresponding SectionedFetchResults instance’s sectionIdentifier property.