Break nested loops

For example, I've the following pseudocode:

while True:

    for boo in boos:

        break # Used 'Stop loop' in Construct 2

    break # How do I insert action(s) like 'Stop loop' after sub-event?

Is there anyway to execute action after sub-event processed?

Select the while True block and right click -> add blank sub event (Or press B) then you can add any actions you want to run after the for loop in there

Nice trick!