res = urlfetch.fetch(url=update_url, payload=form_data, method=urlfetch.
    POST, headers={'Content-Type': 'application/x-www-form-urlencoded'})
result = json.loads(res.content)
if result.get('id', False):
    """Successfully Created Event"""
else:
    """Failure"""
Как добавить событие Facebook с новым Graph API