can u help?

can u help?

ok so i was looking at this blizzard map, (AzerothGrandPrix.w3x,it can be found on their website, well i was wondering, if u look in the folder driving, then the trigger Turing Left, how can i get a trigger like this for my map, or is there an easier way?

Custom Script- call TurnWheel( GetTriggerPlayer(), udg_TURNING_LEFT )

Post this in www.wc3campaigns.com not many people anaswer in this forum.