AMEE_in_Revit.Addin.CO2eParameter.SharedParameterManipulator.OpenDefinition C# (CSharp) Метод

        private Definition OpenDefinition(string parameterName, ParameterType parameterType, DefinitionGroup definitionGroup)
        {
            var definition = definitionGroup.Definitions.get_Item(parameterName)
                                 ?? definitionGroup.Definitions.Create(parameterName, parameterType, true);
            return definition;
        }