---
title: viewSynchronizer
framework: CareKit
role: symbol
role_heading: Instance Property
platforms: [iOS 13.0+, Mac Catalyst 13.0+, watchOS 7.0+]
path: carekit/ockchartviewcontroller/viewsynchronizer
---

# viewSynchronizer

An object that handles updating the view when data in the store changes.

## Declaration

```swift
let viewSynchronizer: ViewSynchronizer
```

## See Also

### Configuring Interface Elements

- [chartView](carekit/ockchartviewcontroller/chartview.md)
- [controller](carekit/ockchartviewcontroller/controller.md)