Get Ped in Vehicle (dmv school)

Hello currently I am trying to rewrite the driving school to my wishes. Now I run into the problem that I can not manage to get a ped on the co-driver wich should be the “Teacher” could help me there someone?

Have you tried this:

So i tried it now and what is

pedType --[[ integer ]],
integer --[[ integer ]],
isNetwork --[[ boolean ]],
bScriptHostPed --[[ boolean ]]

can somebody help?