ABsoluteMaybe.Persistence.Xml.XmlExperimentCommands.EndExperiment C# (CSharp) Method

        public void EndExperiment(string experimentName, string alwaysUseOption)
        {
            var xml = Load();

            var experiment = xml.Root.Elements("Experiment").Single(exp => exp.Attribute("Name").Value == experimentName);
            if (experiment.Attribute("Ended") != null)
                return;

            experiment.Add(new XAttribute("Ended", UtcNow));
            experiment.Add(new XAttribute("AlwaysUseOption", alwaysUseOption));
            Save(xml);
        }