Trace dart path not working???

For some reason the trace dart path block is just… not working??? I don’t know if I’m just blind or straight up stupid, but THIS BLOCK IS JUST NOT DOING ANYTHING.
Screenshot 2026-07-05 221540
Maybe I don’t really understand what it’s supposed to do, but I’m pretty sure it should show me THE FRICKIN PATH THE DART IS GONNA TAKE IM GONNA CRASH OU-

Here’s the link: