Back then green up for profit or leave loss on traded horse

Hi, could you make me a trigger for the following rules?
Place back bet of N (all N's to be entered by myself) on Nth favourite, N minutes before the start of horse race.
Lay at start to trade out.
If there is a profit, green up for profit whichever horse wins.
If there is a loss, keep loss on that traded horse and hope that it doesn't win.

Sorry for the last minute addition to the request.
Could you give me the option to trade two horses using this method? So I may want to trade on one or two. If I went for two horses to trade, it should work out if the total green up would result in a profit or loss. if loss then keep the traded amounts on their respective horses. if it's profitable then green up across the board. Hope that's clear.

Hello!

Please see your triggers attached.

Use the constants to adjust the trigger settings.

Set the program to start monitoring events at mins_before_start minutes before the beginning (Monitoring Options).

Make sure to test the triggers in Test Mode first.

Hi Oxa,
This isn't what I asked for. Sorry if I was unclear with the instructions.
What I wanted was a trigger to back a favourite (that favourite rank is a constant) at 10 minutes (I wanted the time to bet to be a constant).
Then just before the start, lay the selection and if the trade is a profit then green up. If the lay results in a loss, keep the loss on that selection so I only lose that money if that horse goes on to win.
Then I wanted the option to be able to choose one or two selections.
so as an example, I back £10 on 5th favourite at 10 minutes. The price I backed was 5.0. Then the trigger will lay that horse at start of race. Let's say the lay price is 6.0. Therefore I have loss of £10 on that trade. The trigger should leave that £10 loss on 5th favourite so if the horse loses I lose nothing. Let's say that the lay price was 4.0 so I make a profit of £10 on that trade. I want the profit to be greened up so that whichever horse wins I will get a share of that profit.

Your trigger seems to place back bets on selections according to the prices, and it doesn't lay at start of race as I asked, so I am left betting on a number of horses! I wanted this trigger to trade the selection. ie, back then lay.

Hello!

What I wanted was a trigger to back a favourite (that favourite rank is a constant) at 10 minutes (I wanted the time to bet to be a constant).

Both the rank and the minutes before the off are constants you can adjust (set min_rank and max_rank to 1, set mins_before_start to 10).

Then I wanted the option to be able to choose one or two selections

That is what you can do by adjusting the min_rank and max_rank constants.

Then just before the start, lay the selection and if the trade is a profit then green up.

I'm not sure I understand you: are you saying you want a back bet, a lay bet, and then a green-up bet? The green-up IS a lay bet already, and it balances the original back bet. Please see the attached triggers: did you mean you wanted to lay on the selection using the same bet size as back, and then distribute the profit rather than green up?

hi Oxa, yes, i wanted a back bet then a lay bet, however, if the result is a profit, then lay that bet so that the profit is balanced across all horses to get equal profit. if the lay bet is higher than the back bet, then lay the same size as the back bet so that the loss stays on the traded horse. That means that I will lose that amount if that selected horse goes to win. Hope that is clear

Please check the corrected triggers I attached in my previous message.