Example using useState with parameter to other component - 1/2

App.tsx

import React, { useEffect } from 'react';
import { Button } from './Button';

function App() {
  const [total, setTotal] = React.useState(0);
  return (
     <div>
       <p>Total: {total}</p>
       <Button increment={setTotal} />
     </div>

  )
}

export default App