a question for "MarketProfile" indicator

 
hello:
how to add the following indicat lines on "MarketProfile" indicator?

TOPLine[i]=High[Highest(NULL,0,MODE_HIGH,Period, i)];
BOTLine[i]=Low[Lowest(NULL,0,MODE_LOW,Period,i)];

Period is equate to value since (extern datetime StartDate = D'2006. 06.23 00:00') to current

   
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