code: function (id, fileName) {
      console.info(`Exporting item ${id} to file ${fileName}`);
      // construct the search call..
      let model = {};
      return getItem(id)
      .then((item) => {
        model.item = item;
        if (this.shouldFetchData(item.type)){
          console.info(`...Fetching ./data for item of type ${item.type}`);
          return getItemData(id);
        } else {
          console.info(`...Items of type ${item.type} do not have json ./data - skipping`);
          return Promise.resolve();
        }
      })
      .then((maybeData) => {
        if (maybeData) {
          model.data = maybeData;
        }
        // now write out the file...
        jsonfile.writeFileSync(fileName, model,  {spaces: 2});
        console.info(`Done. Exported "${model.item.title}" to ${fileName}`);
      })
      .catch((err) => {
        console.error(err);
      });
    }
docs: Execute the command