[amibroker] Required AFL code

[prasantaroy36]

I want to make system with simple SAR based. For profit/loss calculation to 
plot indicator pane required buyprice/sellprice. Buyprice/Sellprice should be 
crossover SAR price. So , provide me required code for buyprice/sellprice with 
match to crossover SAR value.Pl, help.

Thanks