openstamanager/routes/channels.php

<?php

use App\Models\User;
use Illuminate\Support\Facades\Broadcast;

/*
|--------------------------------------------------------------------------
| Broadcast Channels
|--------------------------------------------------------------------------
|
| Here you may register all the event broadcasting channels that your
| application supports. The given channel authorization callbacks are
| used to check if an authenticated user can listen to the channel.
*/

Broadcast::channel('App.Models.User.{id}', static function (User $user, string|int $id) {
    return $user->id === (int) $id;
});