I was unnable to to add values to PSAR() on C# such as "0.02, 0.02, 0.2, Resolution.Hour".  The error says its unable to convert to decimal.

using System;
using System.Linq;
using QuantConnect.Data.Market;
using QuantConnect.Indicators;

namespace QuantConnect.Algorithm.CSharp
{
public class TransdimensionalCalibratedCoil : QCAlgorithm

{

private string _symbol1 = "EURUSD";
private DateTime _previous1;
private ParabolicStopAndReverse _psar1;
private ExponentialMovingAverage _ema1;



public override void Initialize()
{
SetStartDate(2018, 01, 01); //Set Start Date
SetEndDate(2019, 01, 01);
SetCash(100000); //Set Strategy Cash


AddSecurity(SecurityType.Forex, _symbol1, Resolution.Hour);


_psar1 = PSAR(_symbol1, 0.02, 0.02, 0.2, Resolution.Hour);
_ema1 = EMA(_symbol1, 1, Resolution.Hour);