<PackageReference Include="System.ClientModel" Version="1.9.0" />

System.ClientModel.Primitives.ActivityExtensions

public static class ActivityExtensions
Extensions for Activity and ActivitySource that provide common Open Telemetry tracing functionality for clients built on System.ClientModel.
namespace System.ClientModel.Primitives { public static class ActivityExtensions { public static Activity StartClientActivity(this ActivitySource activitySource, ClientPipelineOptions options, string name, ActivityKind kind = ActivityKind.Internal, ActivityContext parentContext = default(ActivityContext), IEnumerable<KeyValuePair<string, object>> tags = null); public static Activity MarkClientActivityFailed(this Activity activity, Exception exception); } }