strprfcrm/app/Notifications/FireBaseNotification.php

<?php

namespace App\Notifications;

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

class FireBaseNotification 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 ['fcm'];
    }

    public function toFcm(object $notifiable): array
    {
        return [
            'to' => $notifiable->token_fcm,
            'notification' => [
                'title'    => 'Notification Title',
                'body'     => 'Notification Body',
                'image'    => '', // Optional image URL
            ],
        ];
    }
}