public async Task AddMetricFeedbackAsync()
{
string endpoint = MetricsAdvisorUri;
string subscriptionKey = MetricsAdvisorSubscriptionKey;
string apiKey = MetricsAdvisorApiKey;
var credential = new MetricsAdvisorKeyCredential(subscriptionKey, apiKey);
var client = new MetricsAdvisorClient(new Uri(endpoint), credential);
string metricId = MetricId;
DimensionKey groupKey = new DimensionKey();
groupKey.AddDimensionColumn("city", "Belo Horizonte");
FeedbackDimensionFilter filter = new FeedbackDimensionFilter(groupKey);
var startTime = DateTimeOffset.Parse("2020-02-01T00:00:00Z");
var endTime = DateTimeOffset.Parse("2020-02-03T00:00:00Z");
// Other types of feedback, such as MetricCommentFeedback, MetricChangePointFeedback,
// and MetricPeriodFeedback are supported as well.
var anomalyFeedback = new MetricAnomalyFeedback(metricId, filter, startTime, endTime, AnomalyValue.NotAnomaly);
Response <string> response = await client.AddMetricFeedbackAsync(anomalyFeedback);
string feedbackId = response.Value;
Console.WriteLine($"Feedback ID: {feedbackId}");
}