Sulu\Bundle\MediaBundle\Controller\MediaController::postTriggerAction PHP Method

    public function postTriggerAction($id, Request $request)
    {
        $action = $this->getRequestParameter($request, 'action', true);
        try {
            switch ($action) {
                case 'move':
                    return $this->moveEntity($id, $request);
                    break;
                case 'new-version':
                    return $this->saveEntity($id, $request);
                    break;
                default:
                    throw new RestException(sprintf('Unrecognized action: "%s"', $action));
            }
        } catch (RestException $e) {
            $view = $this->view($e->toArray(), 400);
            return $this->handleView($view);
        }
    }