socket.on ('private_chat) Render multiple

import {View, Text} from 'react-native';
import React from 'react';
import socketio from 'socket.io-client';
const SOInput = () => {
const socket = socketio.connect('url');
React.useEffect(() => {
socket.on('connect', () => {
console.log('This is Soket id' + socket.id);
socket.emit('register', 'number');
});
});

socket.on('private_chat', function (msg) {
console.log(msg.friend);
});

return (

SOInput

);
};

export default SOInput;