public void AppConfigUntagResource() { #region to-remove-a-tag-from-an-application-1632330429881 var client = new AmazonAppConfigClient(); var response = client.UntagResource(new UntagResourceRequest { ResourceArn = "arn:aws:appconfig:us-east-1:111122223333:application/339ohji", TagKeys = new List <string> { "group1" } }); #endregion }