def _get(isamAppliance, id):
    """
    Internal function to get data using "id" - used to avoid extra calls

    :param isamAppliance:
    :param id:
    :return:
    """
    return isamAppliance.invoke_get("Retrieve a specific mapping rule",
                                    "/iam/access/v8/mapping-rules/{0}".format(id))