strprfcrm/app/Services/Fcm/FcmChannel.php

<?php

namespace App\Services\Fcm;

use Illuminate\Notifications\Notification;

class FcmChannel
{
    public function __construct(
        protected FcmService $fcm,
    ) {}

    public function send(object $notifiable, Notification $notification): void
    {
        if (!method_exists($notification, 'toFcm')) {
            return;
        }

        $data = $notification->toFcm($notifiable);

        $this->fcm->send(
            token: $data['to'],
            title: $data['notification']['title'] ?? '',
            body: $data['notification']['body'] ?? '',
            image: $data['notification']['image'] ?? null,
        );
    }
}