Moving Truck?, Go, Stop, Unload Options

[0^Tindall(guest)]

Anyone, do you have a tutorial of your own or someone else's that can make a "Unloaded Truck" go to a building. Change to a "Loaded Truck" and then drive back to It's first stop. Then Finally Change back to an "Unloaded Truck" again then loop?

CODE

Unit-Unloaded Truck
Goto-Abanded Warehouse
Unit-Unloaded Truck Convert to Loaded Truck
Goto-Office Building
Unit-Loaded Truck Convert To Unloaded Truck
Command-Loop

If you can please PM me.