---
title: "init(controller:viewSynchronizer:)"
framework: CareKit
role: symbol
role_heading: Initializer
platforms: [iOS 13.0+, Mac Catalyst 13.0+, watchOS 7.0+]
path: "carekit/ockchartviewcontroller/init(controller:viewsynchronizer:)"
---

# init(controller:viewSynchronizer:)

Creates a new chart view controller with a specific controller and synchronizer.

## Declaration

```swift
init(controller: Controller, viewSynchronizer: ViewSynchronizer)
```

## Parameters

- `controller`: The object that handles interacting with data from the store.
- `viewSynchronizer `: The object that handles updating the view when data in the store changes.

## See Also

### Creating Chart View Controllers

- [init(plotType:selectedDate:configurations:storeManager:)](carekit/ockchartviewcontroller/init(plottype:selecteddate:configurations:storemanager:).md)
- [init(viewSynchronizer:weekOfDate:configurations:storeManager:)](carekit/ockchartviewcontroller/init(viewsynchronizer:weekofdate:configurations:storemanager:).md)