public override void ExecuteBuild()
    {
        string Label = GetEnvVar("SBF_LabelFromUser");
        string Desc;

        LogInformation("LabelDescription {0}", Label);
        var Result = P4.LabelDescription(Label, out Desc);

        if (!Result)
        {
            throw new AutomationException("Could not get label description");
        }
        LogInformation("Result***\n{0}\n***\n", Desc);
    }