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

# controller

The object that handles interacting with data from the store.

## Declaration

```swift
let controller: Controller
```

## See Also

### Configuring Calendar View Controllers

- [calendarView](carekit/ockcalendarviewcontroller/calendarview.md)
- [viewSynchronizer](carekit/ockcalendarviewcontroller/viewsynchronizer.md)