// Copyright The OpenTelemetry Authors // SPDX-License-Identifier: Apache-2.0 using System.Diagnostics.Metrics; using OpenTelemetry; using OpenTelemetry.Metrics; public class Program { private static readonly Meter MyMeter = new("MyCompany.MyProduct.MyLibrary", "1.0"); private static readonly Counter MyFruitCounter = MyMeter.CreateCounter("MyFruitCounter"); public static void Main() { var meterProvider = Sdk.CreateMeterProviderBuilder() .AddMeter("MyCompany.MyProduct.MyLibrary") .AddConsoleExporter() .Build(); // In this example, we have low cardinality which is below the 2000 // default limit. If you have high cardinality, you need to set the // cardinality limit properly. MyFruitCounter.Add(1, new("name", "apple"), new("color", "red")); MyFruitCounter.Add(2, new("name", "lemon"), new("color", "yellow")); MyFruitCounter.Add(1, new("name", "lemon"), new("color", "yellow")); MyFruitCounter.Add(2, new("name", "apple"), new("color", "green")); MyFruitCounter.Add(5, new("name", "apple"), new("color", "red")); MyFruitCounter.Add(4, new("name", "lemon"), new("color", "yellow")); // Dispose meter provider before the application ends. // This will flush the remaining metrics and shutdown the metrics pipeline. meterProvider.Dispose(); } }