code: def add_account_alias(self, account, alias):
          
          self.request('AddAccountAlias', {
              'id': self._get_or_fetch_id(account, self.get_account),
              'alias': alias,
          })
docs: :param account:  an account object to be used as a selector
          :param alias:     email alias address
          :returns:         None (the API itself returns nothing)