def _del(isamAppliance, uuid):
    """
    Remove all UUIDs - should be everything pertaining to an advanced tuning parameter "key"

    :param isamAppliance:
    :param uuid:
    :return:
    """
    ret_obj = isamAppliance.create_return_object()
    ret_obj['data'] = []
    for u in uuid:
        r = isamAppliance.invoke_delete(
            'Deleting existing advanced tuning parameter',
            '/core/adv_params/{0}'.format(u))
        ret_obj['changed'] = ret_obj['changed'] or r['changed']
        ret_obj['data'].append(r['data'])
        ret_obj['warnings'].extend(r['warnings'])
        ret_obj['rc'] += r['rc']
    return ret_obj
