ant-design/components/float-button/demo/group-menu.tsx

import { CommentOutlined, CustomerServiceOutlined } from '@ant-design/icons';
import React from 'react';
import { FloatButton } from 'antd';

const App: React.FC = () => (
  <>
    <FloatButton.Group
      trigger="click"
      type="primary"
      style={{ right: 24 }}
      icon={<CustomerServiceOutlined />}
    >
      <FloatButton />
      <FloatButton icon={<CommentOutlined />} />
    </FloatButton.Group>
    <FloatButton.Group
      trigger="hover"
      type="primary"
      style={{ right: 94 }}
      icon={<CustomerServiceOutlined />}
    >
      <FloatButton />
      <FloatButton icon={<CommentOutlined />} />
    </FloatButton.Group>
  </>
);

export default App;