help needed to close open bets and only trade out if in loss

Hi , i have manged to create a trigger to my trading style however i only want to close any open trades 1 minute before the off and spreadloss if green figure is -  figure else dont greenup / spread loss?

If after closing open trade the green figure is say £-3 then spread loss else dont greenup as want my free bet to go in play

Hi
conditions:
markets minutes before the off is equal or less than 1 
and selections trigger expression market_tradeout is equal or less than -3

thank you