ใช้ add.rule() เพื่อกำหนด Enter Rule

# Create an entry rule of 1 share when all conditions line up to enter into a position
add.rule(strategy.st, name = "ruleSignal", 
         
         # Use the longentry column as the sigcol
         arguments=list(sigcol = "___", 
                        
                        # Set sigval to TRUE
                        sigval = ___, 
                        
                        # Set orderqty to 1
                        orderqty = ___,
                        
                        # Use a market type of order
                        ordertype = "___",
                        
                        # Take the long orderside
                        orderside = "___",
                        
                        # Do not replace other signals
                        replace = ___, 
                        
                        # Buy at the next day's opening price
                        prefer = "___"),
         
         # This is an enter type rule, not an exit
         type = "___")