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Could you explain that a bit better? Like, a menu to give teammates orders? If so, I don't know if it would be really worth making it. Not everyone wants to play with his/her team, following orders/etc.
They have this system in the battlefield series.
what you do is hold down a key, and you click on an assortment of buttons that animates your player.
for instance, slouching, waving, and pointing at your side would signal: "Medic!"
hope that cleared this up.