Copilot - fcm

<?php
require 'vendor/autoload.php';

use Google\Cloud\Core\ServiceBuilder;

// Authenticate with Google Cloud
$cloud = new ServiceBuilder([
    'keyFilePath' => 'path-to-your-service-account-json-file',
    'projectId' => 'your-project-id'
]);

// Get an instance of the Firebase Cloud Messaging client
$messaging = $cloud->messaging();

// Create a message
$message = [
    'notification' => [
        'title' => 'Notification title',
        'body' => 'Notification body'
    ],
    'android' => [
        'ttl' => '3600s',
        'priority' => 'normal',
        'notification' => [
            'icon' => 'stock_ticker_update',
            'color' => '#f45342'
        ]
    ],
    'token' => 'device-registration-token'
];

// Send the message
$response = $messaging->send($message);

echo $response;
?>