coolify/app/Notifications/TestMessage.php

<?php

namespace App\Notifications;

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

class TestMessage extends Notification
{
    use Queueable;

    /**
     * Create a new notification instance.
     */
    public function __construct()
    {
        //
    }

    /**
     * Get the notification's delivery channels.
     *
     * @return array<int, string>
     */
    public function via(object $notifiable): array
    {
        return ['mail', DiscordChannel::class];
    }

    /**
     * Get the mail representation of the notification.
     */
    public function toMail(object $notifiable): MailMessage
    {
        $smtp = [
            "transport" => "smtp",
            "host" => "mailpit",
            "port" => 1025,
            "encryption" => 'tls',
            "username" => null,
            "password" => null,
            "timeout" => null,
            "local_domain" => null,
        ];
        config()->set('mail.mailers.smtp', $smtp);

        \Illuminate\Support\Facades\Mail::mailer('smtp')
            ->to('ask@me.com')
            ->send(new \App\Mail\ExampleMail);



        return (new MailMessage)
                    ->line('Welcome to Coolify!')
                    ->action('Go to dashboard', url('/'))
                    ->line('We need your attention for disk usage.');
    }

    public function toDiscord(object $notifiable): string
    {
        ray('1111');
        return 'Welcome to Coolify! We need your attention for disk usage. [Go to dashboard]('.url('/').')';
    }

    /**
     * Get the array representation of the notification.
     *
     * @return array<string, mixed>
     */
    public function toArray(object $notifiable): array
    {
        return [
            //
        ];
    }
}