useful commands:
opening closing with script:
<gatename> animate ["arm", 1]    //opens the gate
<gatename> animate ["arm", 0]    //closes the gate
checking current state of gate with script:
<gatename> animationPhase "arm" < 0.5   //if true -> gate is closed
<gatename> animationPhase "arm" >= 0.5   //if true -> gate is open
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Just to cry it out loud here ( :hmm: ) :
"README" means READ THIS TEXT_DOCUMENT 
;D
Anyho' - say, ya named a gatearm "GATE_ONE", then a trigger would have to read :
Condition: FriendlyCarName Distance GATE_ONE <= 20
On Activation: GATE_ONE Animate ["arm", 1]
laterz
