code: function fetchTranslations() {
              var api = getApi();
              var url = api.baseUrl + api.path;
              var requestOptions;
              var queryParams = { 'source_file_name': options.sourceFile };
  
              if (options.exportType === 'multilingual') {
                  url = url + 'translations/multilingual';
                  queryParams = _.extend(queryParams, { 'file_format': 'I18NEXT_MULTILINGUAL_JSON' });
              }
  
              if (options.exportType === 'locale') {
                  url = url + 'translations';
                  queryParams = _.extend(queryParams, { 'locale': options.locale });
              }
  
              requestOptions = {
                  method: 'GET',
                  url: url,
                  headers: {
                      'Content-Type': 'application/json'
                  },
                  qs: {
                      'api_key': api.publicKey,
                      'timestamp': api.timestamp,
                      'dev_hash': api.devHash
                  }
              };
  
              requestOptions.qs = _.extend(requestOptions.qs, queryParams);
  
              return request(requestOptions, onFetchTranslations);
          }
docs: /////////////////////////