[Astonish]

Hello i am using this script https://sampforum.blast.hk/showthread.php?tid=604693 but the script uses createvehicle and when those vehicle ingame wont work so what i want to do is check if player is in car id 448 which is pizza bike so the job start and i did that but the problem arise when i do /getpizza i cant get it because the script find the scripted vehicle how to do that if is player in range of car 448 he can do /getpizza