Yes, that will execute the associated actions every tick, it's functionally the same as the Every Tick condition.
You can try updating a Text instance with the time expression in the action block of an empty condition to see a visual representation of what is going on.
thnx
And if I do this just to adjust the size of an image, will this cause my game to crash?
I can only solve a bug in my game with this method, but if this is a bad way, I will look for other ways