---
title: HKActivitySummaryQueryDescriptor.Results.Iterator
framework: healthkit
role: symbol
role_heading: Structure
path: healthkit/hkactivitysummaryquerydescriptor/results/iterator
---

# HKActivitySummaryQueryDescriptor.Results.Iterator

An iterator for accessing active summary results.

## Declaration

```swift
struct Iterator
```

## Relationships

### Conforms To

- [AsyncIteratorProtocol](swift/asynciteratorprotocol.md)