MTA RACE in MTA DM

[MasterTobi]

hey i need Help

i searched a code or anything that start me a race in DM like SAMP. I hope you know the GodfatherScript, there is ja go-cart race. So i want to script a function like

function startrace(source,command,player2,player3,player4)
....
end
addCommandHandler("startrace",startrace)

also i enter the command /startrace ..... in the Chatbox and the Player´s (me and player 2-4 ) are run to drive a race.

i hopp you understand me what i want

thx