<PackageReference Include="System.Diagnostics.DiagnosticSource" Version="11.0.0-preview.1.26104.118" />

System.Diagnostics.ActivityEvent

public struct ActivityEvent
Represents an event containing a name and a timestamp, as well as an optional list of tags.
namespace System.Diagnostics { public readonly struct ActivityEvent { public string Name { get; } public DateTimeOffset Timestamp { get; } public IEnumerable<KeyValuePair<string, object>> Tags { get; } public ActivityEvent(string name); public ActivityEvent(string name, DateTimeOffset timestamp = default(DateTimeOffset), ActivityTagsCollection tags = null); public Activity.Enumerator<KeyValuePair<string, object>> EnumerateTagObjects(); } }