def get_all_users(configuration=None, **kwargs):
        user = User(configuration=configuration)
        user['id'] = 'all users'
        result = user._write_to_hdx('list', kwargs, 'id')
        users = list()
        if result:
            for userdict in result:
                user = User(userdict, configuration=configuration)
                users.append(user)
        else:
            logger.debug(result)
        return users