Kohkimakimoto\Worker\Job\JobManager::register PHP Method

    public function register($name, $command)
    {
        // checks if the same name exists.
        if (array_key_exists($name, $this->jobs)) {
            throw new \InvalidArgumentException("'{$name}' is already registered as a job.");
        }
        $id = count($this->jobs);
        $this->jobs[$name] = new Job($id, $name, $command, $this->config);
        return $this;
    }