How to cancel all unmatched back bets halfway through a race

I have got my bot to back and lay but how do I tell it to cancel all unmatched back bets at say halfway through the race.

Please help

Ashley

Hello!

There is a set of trigger actions for cancelling bets (cancel all, cancel back, cancel lay).

There is also a trigger condition for checking how much time has passed since the off:

Market's Minutes Since the Off is greater than ...

How to cancel all unmatched back bets halfway through a race

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