Plz help regarding scanner -only 1 side scan?

Algos, strategies, code
1

sir 

i wish to use the  315 buy sell strategy -code is given 

here https://zerodha.com/expert-advisors/code/3-15-crossover

i am able to   back test the strategy for both buy and sell scripts 

MY PROBLEM comes when i decide to create a scan   ---the scanner accepts only  one side code either buy or sell  -it does NOT ACCEPT  BOTH  buy se+sell scripts at the same time(gives error)...  ? plz guide 

2

If you want to scan both buy and sell , use 2 different scanners for buy and sell and you can run both at a time