Help with program

Algos, strategies, code
1

Hello. I know it is a simple request, but please help.
I want the code to generate alert when 14 day RSI crosses below 70 and crosses above 30.
Thank you so much

2

TRADESCRIPT CODE FOR ZERODHA PI SCANNER BUY:

CROSSOVER(RSI(CLOSE,14) , 70)

TRADESCRIPT CODE FOR ZERODHA PI SCANNER SELL:

CROSSOVER(30 , RSI(CLOSE,14))