code: function(id, period, callback) {
      var self = this;
  
      if (this.$resource.cron) {
        if (!this.crons[id]) {
          self._logger.call(self, 'POD:Registering Cron:' + self.getName() + ':' + id);
          self.crons[id] = new self.$resource.cron.CronJob(
            period,
            callback,
            null,
            true,
            self.options.timezone
          );
        }
      }
    }
docs: provide a scheduler service