code: function(q, msg) {
          return {
                  tId: q.tId,
                  win: q.win,
                  data: q.data,
                  nodes: q.nodes,
                  msg: msg,
                  purge: function() {
                      _purge(this.tId);
                  }
              };
      }
docs: Returns the data payload for callback functions
  @method _returnData
  @private