### Events

Keep in mind:
- Events share namespace (so come up with an app-wide naming convention)
- If you have several instances of a component, you need to pass an identifier (like a view's `reactTag`) to identify it in the handler. On the js end, `reactTag` maps to `this.props.rootTag`.

#### React

```js
import { NativeEventEmitter, NativeModules } from 'react-native'
const videoPlayer = NativeModules.VideoPlayer
const videoPlayerEmitter = new NativeEventEmitter(VideoPlayer)
const subscription = videoPlayerEmitter.addListener('video-progress', (progress) => console.log(progress))

// Don't forget to unsubscribe, typically in `componentWillUnmount`
subscription.remove()
```

#### iOS

[docs](https://facebook.github.io/react-native/docs/native-modules-ios.html#sending-events-to-javascript)

```obj-c
//
```