code: function(_key,_name,_event,_cleared){
              var _cch = _pcache[_key];
              if (!_cch) return;
              var _conf = _cch.conf,
                  _func = _conf[_name]||_f,
                  _extr = _conf.extra;
              if (!!_cleared){
                  delete _pcache[_key];
              }
              _event.data = _extr;
              _func(_event);
          }
docs: callback