def add_members(self, group_jid, peer_jids: Union[str, List[str]]):
        """
        Adds multiple users to a specific group at once

        :param group_jid: The group into which to join the users
        :param peer_jids: a list (or a single string) of JIDs to add to the group
        """
        log.info("[+] Adding some members to the group {}".format(group_jid))
        return self._send_xmpp_element(group_adminship.AddMembersRequest(group_jid, peer_jids))
Adds multiple users to a specific group at once

        :param group_jid: The group into which to join the users
        :param peer_jids: a list (or a single string) of JIDs to add to the group