def InsertItem(self, new_item, url_params=None, escape_params=True, 
      converter=None):

    response = self.Post(new_item, '/base/feeds/items', url_params=url_params,
                         escape_params=escape_params, converter=converter)

    if not converter and isinstance(response, atom.Entry):
      return gdata.base.GBaseItemFromString(response.ToString())
    return response
Adds an item to Google Base.
dataset/ETHPy150Open bradfitz/addressbooker/gdata/base/service.py/GBaseService.InsertItem