code: public function setOptions(array $options)
      {
          if (!array_key_exists('options', $options)) {
              $options['options'] = array();
          }
  
          $this->options = array_merge($this->getDefaultOptions(), $options['options']);
          return $this;
      }
docs: Set options.
  
  @param array $options
  @return CronService
  @see CronService::getDefaultOptions() There is a detailed options array description.