code: function unbind(unbindObj) {
              if ("*" !== defaultAppName) {
                  unbindObj.appName = unbindObj.appName || defaultAppName;
              }
              return evUtil.unbind({
                  unbindObj: unbindObj,
                  attrName: attrName,
                  loggerName: appName,
                  lstnrs: lstnrs
              });
          }
docs: This function allows unbinding according to a permutation of the three parameters
  @param unbindObj
  eventName - the eventName you want to unbind
  func - the pointer to the function you want to unbind
  context - the context you want to unbind
  appName - the specific appName we want to unbind
  OR - eventId
  @return {Boolean}