How to add multiple trades on this source code??

[Thuto Lenity Ramosesane]

OrderSend4(_Symbol,ORDER_TYPE_BUY,Lots_fixe,Ask,0,0,"Sup",MagicNumber,0,clrBlue,"");

   OrderSend4(_Symbol,ORDER_TYPE_SELL,Lots_fixe,Bid,0,0,"Res",MagicNumber,0,clrBlue,"");