[amibroker] help to convert this into AFL

[nifty46]

any FRIEND please help to convert this logic into AFL:- buy & plot = 
close(CURRENT MARKET PRICE) is just above...(param field PRICE in 
parameter,0.5% to 5%), from the third point of tuching a downtrend (lower low) 
trend line in a ...(param field in parameter 10bar to 200 bar) as needed we set 
in parameters, THAX IN ADVANCED with regards      nift...@y A H O O .C O M