coolify/routes/channels.php

<?php

/*
|--------------------------------------------------------------------------
| Broadcast Channels
|--------------------------------------------------------------------------
|
| Here you may register all of 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.
|
*/

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

Broadcast::channel('team.{teamId}', function (User $user, int $teamId) {
    return (bool) $user->teams->pluck('id')->contains($teamId);
});

Broadcast::channel('user.{userId}', function (User $user) {
    return $user->id === Auth::id();
});