<PackageReference Include="NUnit" Version="3.11.0" />

TestMessageEvent

public class TestMessageEvent : Event
TestMessageEvent holds information needed to call the SendMessage method.
using NUnit.Framework.Interfaces; namespace NUnit.Framework.Internal.Execution { public class TestMessageEvent : Event { public TestMessage TestMessage { get; } public TestMessageEvent(TestMessage testMessage) { TestMessage = testMessage; } public override void Send(ITestListener listener) { listener.SendMessage(TestMessage); } } }