fipamo/app/Mail/SystemEmail.php

<?php

namespace App\Mail;

use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Mail\Mailables\Content;
use Illuminate\Mail\Mailables\Envelope;
use Illuminate\Mail\Mailables\Address;
use Illuminate\Queue\SerializesModels;

class SystemEmail extends Mailable
{
    use Queueable;
    use SerializesModels;

    /**
     * Create a new message instance.
     */
    public function __construct(public $notifyText)
    {
        //
    }

    /**
     * Get the message envelope.
     */
    public function envelope(): Envelope
    {
        return new Envelope(
            from: new Address(env('MAIL_USERNAME'), 'System Notification'),
            subject: 'Notification',
        );
    }

    /**
     * Get the message content definition.
     */
    public function content(): Content
    {
        return new Content(
            view: 'mail.notify',
        );
    }

    /**
     * Get the attachments for the message.
     *
     * @return array<int, \Illuminate\Mail\Mailables\Attachment>
     */
    public function attachments(): array
    {
        return [];
    }
}