Williams % R and MACD in Probacktest

Hi All

I am trying to put Williams % R and MACD into probacktest to do the following:

Enter SELL Position
When the MACD Line is below the Signal Line
When the Williams % R raises above -20 then dips below -50
SHORT £2 per point

Close Position
When the Williams % R dips below -80 then raises above -50

Stop Loss
The last prices HIGH before the Williams % R raised above -20

Enter BUY Position
When the MACD Line is above the Signal Line
When the Williams % R dips below -80 then raises above -50
BUY £2 per point

Close Position
When the Williams % R raises above -20 then dips below -50

Stop Loss
The last prices LOW before the Williams % R dipped below -80



Hope this is doable, thanks for the help in advance guys!