Kraken\Runtime\RuntimeManager::startRuntime PHP Method

    public function startRuntime($alias, $params = [])
    {
        if ($this->existsThread($alias)) {
            return $this->threadManager->startThread($alias, $params);
        } else {
            if ($this->existsProcess($alias)) {
                return $this->processManager->startProcess($alias, $params);
            }
        }
        return Promise::doReject(new ResourceUndefinedException("Runtime with alias [{$alias}] does not exist."));
    }