docs: function (params, callback) {
          /**
           * Callback for QB.content.update(uid, callback)
           * @callback updateFileCallback
           * @param {object} error - The error object
           * @param {object} response - The file object (blob-object-access)
           */
          var data = {};
  
          data.blob = {};
  
          if (typeof params.name !== 'undefined') {
              data.blob.name = params.name;
          }
  
          this.service.ajax({url: Utils.getUrl(config.urls.blobs, params.id), data: data}, function(err, res) {
              if (err) {
                  callback (err, null);
              } else {
                  callback (null, res);
              }
          });
      }