async def METHOD_NAME(self, group_name):
    """
    Get all users in a group
    :return: a list of users in groups
    """
    request = ListUsersForGroupRequest.ListUsersForGroupRequest()
    request.set_GroupName(group_name)
    response = await get_response(client=self._client,
                                  request=request)
    if response:
        return response['Users']['User']
    else:
        return []