code: def editItemInfo(self, json_dict):
          
          url = self._url + "/iteminfo/edit"
          params = {
              "f" : "json",
              "serviceItemInfo" : json.dumps(json_dict)
          }
          return self._post(url=url,
                               param_dict=params,
                               securityHandler=self._securityHandler,
                               proxy_url=self._proxy_url,
                               proxy_port=self._proxy_port)
docs: Allows for the direct edit of the service's item's information.
          To get the current item information, pull the data by calling
          iteminfo property.  This will return the default template then pass
          this object back into the editItemInfo() as a dictionary.
  
          Inputs:
             json_dict - iteminfo dictionary.
          Output:
             json as dictionary