Can You Code This Please

Algos, strategies, code
1

I want to exit from buy will be when candle closes below the
lows of previous 9 candles with closing price below 8 EMA and exit from
sell will be when candle closes above highes of previous 9 candles with
closing price below 8 EMA.

2

BUY EXIT: 

CLOSE  <REF(lowestlowvalue(9),1) AND CLOSE < EMA (CLOSE,8)

SELL EXIT:

CLOSE > Ref(highesthighvalue(9),1) AND CLOSE < EMA (CLOSE,8)