react-native-vision-camera/docs/docs/guides/FRAME_PROCESSOR_CREATE_FINAL.mdx
2023-09-27 12:10:06 +02:00

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---
id: frame-processors-plugins-final
title: Creating Frame Processor Plugins
sidebar_label: Finish creating your Frame Processor Plugin
---
## Expose your Frame Processor Plugin to JS
To make the Frame Processor Plugin available to the Frame Processor Worklet Runtime, create the following wrapper function in JS/TS:
```ts
import { VisionCameraProxy, Frame } from 'react-native-vision-camera'
const plugin = VisionCameraProxy.getFrameProcessorPlugin('scanFaces')
/**
* Scans faces.
*/
export function scanFaces(frame: Frame): object {
'worklet'
return plugin.call(frame)
}
```
## Test it!
Simply call the wrapper Worklet in your Frame Processor:
```tsx
function App() {
const frameProcessor = useFrameProcessor((frame) => {
'worklet'
// highlight-next-line
const faces = scanFaces(frame)
console.log(`Faces in Frame: ${faces}`)
}, [])
return (
<Camera frameProcessor={frameProcessor} {...cameraProps} />
)
}
```
## Next Steps
If you want to distribute your Frame Processor Plugin, simply use npm.
1. Create a blank Native Module using [bob](https://github.com/callstack/react-native-builder-bob) or [create-react-native-module](https://github.com/brodybits/create-react-native-module)
2. Name it `vision-camera-plugin-xxxxx` where `xxxxx` is the name of your plugin
3. Remove the generated template code from the Example Native Module
4. Add VisionCamera to `peerDependencies`: `"react-native-vision-camera": ">= 3"`
5. Implement the Frame Processor Plugin in the iOS, Android and JS/TS Codebase using the guides above
6. Publish the plugin to npm. Users will only have to install the plugin using `npm i vision-camera-plugin-xxxxx` and add it to their `babel.config.js` file.
7. [Add the plugin to the **official VisionCamera plugin list](https://github.com/mrousavy/react-native-vision-camera/edit/main/docs/docs/guides/FRAME_PROCESSOR_PLUGIN_LIST.mdx) for more visibility
<br />
#### 🚀 Next section: [Browse Community Plugins](frame-processor-plugin-list)