rage-framework-example/apps/cef/src/App.tsx

import { fw } from 'rage-fw-cef'
import { useEffect } from 'react'

function App() {
    useEffect(() => {
        fw.event.register('customCefEvent', ([test]) => {
            console.log(test)

            return ''
        })
    }, [])

    return (
        <>
            <h1>Hello World!</h1>
        </>
    )
}

export default App