pne_coin_php/app/Events/SystemFlatEvent.php

<?php
/*
 * @Descripttion: 
 * @version: 
 * @Author: GuaPi
 * @Date: 2021-07-29 10:40:49
 * @LastEditors: GuaPi
 * @LastEditTime: 2021-08-09 17:39:53
 */

namespace App\Events;

use Illuminate\Broadcasting\Channel;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Broadcasting\PresenceChannel;
use Illuminate\Broadcasting\PrivateChannel;
use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;

class SystemFlatEvent
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    public $user_id;

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

    /**
     * Get the channels the event should broadcast on.
     *
     * @return \Illuminate\Broadcasting\Channel|array
     */
    public function broadcastOn()
    {
        return new PrivateChannel('channel-name');
    }
}