extra
node is what you're looking for - https://getcomposer.org/doc/04-schema.md#extra
In your composer.json
:
"extra": {
"your-parameter": "serviceplatform/bundles/poll"
}
Then, in your ServiceBundle\Core\Platform::registerService
:
public static function registerService(Event $event)
{
$extras = $event->getComposer()->getPackage()->getExtra();
$yourParameter = $extras['your-parameter'];
//do your stuff
}
It should do the trick.