Please convert this SCRIPT to tradescript for backtesting i PI

Algos, strategies, code
1

BUY

When 5 EMA CROSS 8 SMA FROM ABOVE

SELL

when 8 SMA CROSS 5 EMA FROM ABOVE or 5 EMA CROSS 8 SMA BELOW

2

Buy:

CROSSOVER(EMA(CLOSE,5),SMA(CLOSE,8))

Sell:

CROSSOVER(SMA(CLOSE,8),EMA(CLOSE,5))