ant-design/components/radio/demo/radiogroup-with-name.tsx

import React from 'react';
import { Radio } from 'antd';

const App: React.FC = () => (
  <Radio.Group name="radiogroup" defaultValue={1}>
    <Radio value={1}>A</Radio>
    <Radio value={2}>B</Radio>
    <Radio value={3}>C</Radio>
    <Radio value={4}>D</Radio>
  </Radio.Group>
);

export default App;