code: function getKeyDetailsString (key, redisConnection, data, next) {
    redisConnection.get(key, function (err, val) {
      if (err) {
        api.log('getRedisString: ' + err, 'error');
      }
  
      var details = {
        key: key,
        type: 'string',
        value: val
      };
      
      data.response.details = details;
      next();
    });
  }
docs: /////////////////////////////////////////////////////////////////// helper