The back accumulator staking plan trigger

Hi there,

Can anyone help please. I want to update this trigger so when ever a lose is had before it finishes the cycle, it doubles the original starting stake.

Example: 
Bet £2 at 1.50 - win
Bet £3.50 at 1.50 lose
At this point it would double the starting stake. In this example it would double to £4

If again a lose is had before the end of the cycle, it would double to £8 and so on. Once the cycle has finished with all the wins needed it would default back to the starting stake of £2 and start all.over again.

Can anyone help? Thanks.

Sorry trigger attached.

Hello!

Please make a trigger request.

Done thanks.