hi
here is your trigger,in the constants you can set.
Bet amount
Maximum number of runners
Minutes before the off to record the first price
Minutes before the off to place the back bet
Minutes before the off to green up
Green up percent
Minimum back price to take
Maximum back price to take
Maximum back price to record the first price
Minimum back price drop percent
please use test mode until you are happy with your settings
mcbee
download the trigger below