class BroadcastServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        Broadcast::routes();

        require base_path('routes/channels.php');

        /*
        * Authenticate the user's personal channel..
        */
        Broadcast::channel('App.user.{userId}', function ($user, $userId) {
            return (int) $user->id === (int) $userId;
        });
    }
}








    public function addFriend($userRequested)
    {
        $resp = Auth::user()->addFriend($userRequested);

         User::find($userRequested)->notify(new \App\Notifications\NewFriendRequest(Auth::user()) );

        return $resp;
    }

    public function acceptFriend($requester)
    {
        $resp = Auth::user()->acceptFriend($requester);

        User::find($requester)->notify(new \App\Notifications\FriendRequestAccepted(Auth::user()));

        return $resp;
    }












<template>
<div>

</div>
</template>

<script>
      export default {
            mounted() {
                  this.listen()
            },
            props: ['id'],
            methods: {
                  listen() {
                        window.Echo.private('App.user.' + this.id)
                            .notification( (notification) => {
                                alert('new notification')
                                    console.log(notification)
                            })
                  }
            }
      }
</script>















<?php

namespace App\Notifications;

use Illuminate\Bus\Queueable;
use Illuminate\Notifications\Notification;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;

class NewFriendRequest extends Notification implements ShouldQueue
{
    use Queueable;

    public $user;

    /**
     * Create a new notification instance.
     *
     * @return void
     */
    public function __construct($user)
    {
        $this->user = $user;
    }

    /**
     * Get the notification's delivery channels.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function via($notifiable)
    {
        return ['mail', 'broadcast', 'database'];
    }

    /**
     * Get the mail representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return \Illuminate\Notifications\Messages\MailMessage
     */
    public function toMail($notifiable)
    {
        return (new MailMessage)
                    ->line('You receieved a new friend request from.' . $this->user->username)
                    ->action('View their profile', route('userProfile', ['username' => $this->user->username]))
                    ->line('Thank you for using our service!')
                    ->line('www.Myezwin.com');
    }

    /**
     * Get the array representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function toArray($notifiable)
    {
        return [
             'username' => $this->user->username,
             'message'  => 'sent you a friend request.'
        ];
    }
}