AMEE_in_Revit.Addin.Settings.GetCO2eCalculator C# (CSharp) Method

        public static ElementCO2eCalculator GetCO2eCalculator()
        {
            if (_calculator==null)
            {
                var ameeClient = new Client(new Uri(AmeeUrl), AmeeUserName, AmeePassword);
                _calculator = new ElementCO2eCalculator(new MaterialMapper(_mapFilePath, ameeClient));
            }
            return _calculator;
        }