[Alintheter]

I know its a noob question but...I am owner on my server and I have /dveh cmd and I dont know how to give someoane a donation vehicle or /dgun point....Can anyone help?Its there a script for this because when I write /dveh it says I need to have Donate rank and I tried with a lot of things to give me donaterank but I still dont know ...I have a cmd /donate and I enter a code and it suposse to make me rank vip but dont work.
Pls help fast and im sorry for my nobis question