public function extendTransportManager(TransportManager $manager)
{
$manager->extend('sendgrid', function () {
$config = $this->app['config']->get('services.sendgrid', array());
$client = new HttpClient(Arr::get($config, 'guzzle', []));
if (Arr::get($config, 'version') === 'v3') {
return new SendgridV3Transport($client, $config['api_key']);
}
return new SendgridTransport($client, $config['api_key']);
});
}