Send push notification to all users about laravel-fcm HOT 2 CLOSED

$tokens = Device::pluck('fcm_token')->toArray(); // Device is a Eloquent model that contains tokens

$optionBuilder = new OptionsBuilder();
$optionBuilder->setCollapseKey('cat_detected');

$notification = new PayloadNotificationBuilder(null);
$notification->setIcon('cat_notification')
                     ->setSound('default');

$notification->setTitleLocationKey('notification__title__cat_detected');
$notification->setBodyLocationKey('notification__body__cat_detected');
$notification->setBodyLocationArgs("[\"$detectionDate\", \"$detectionHour\"]");

$response = FCM::sendTo($tokens, $optionBuilder->build(), $notification->build());