Hello,
Does anyone know how to make a barrier that unlocks with a key?
Ok make so make an invisible vending machin so what you need so when they buy it barrier is hidding
Can I send you the link to my game so you can do it? I really do not understand what you mean, sorry my bad
How?!?!?!? do not know how to do that
Nvm, it is ok! Thanks for all your help though 
So you got a solution?
Find the vending machine in the devices menu, and place one down. Once you have it down, look through all options until you find an option to make it invisible. Afterwards, make the vending machine require whatever key you want the player to use, and connect a wire from the vending machine, to the barrier with the options, when item purchased - deactivate barrier.
Hope this helps!
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