---
title: appController
framework: tvmlkit
role: symbol
role_heading: Instance Property
path: tvmlkit/tvdocumentviewcontroller/appcontroller
---

# appController

The document’s app controller that bridges UI, navigation stack, storage, and event handling from JavaScript.

## Declaration

```swift
weak var appController: TVApplicationController? { get }
```

## See Also

### Accessing the Document’s Components

- [documentContext](tvmlkit/tvdocumentviewcontroller/documentcontext.md)