---
title: DockAccessory.TrackingStates.Iterator
framework: dockkit
role: symbol
role_heading: Structure
path: dockkit/dockaccessory/trackingstates-swift.struct/iterator
---

# DockAccessory.TrackingStates.Iterator

An object that allows iteration over tracking states.

## Declaration

```swift
struct Iterator
```

## Topics

### Instance Methods

- [next()](dockkit/dockaccessory/trackingstates-swift.struct/iterator/next().md)

## Relationships

### Conforms To

- [AsyncIteratorProtocol](swift/asynciteratorprotocol.md)