In this case, the ticks being supplied are minutely T6 ticks. So every tick is being evaluated. You can change the History variable to load a T1 tick file instead. The Zorro website has some sample tick-by-tick data for EUR/USD that you can extract into the History folder.

History string variable:
https://zorro-project.com/manual/en/script.htmThere is no user-supplied logic in particular. Nonetheless, Zorro is still checking for stop losses and take profit on every tick, so there is tick logic.