templatedelete

--opens the current modem on the computer (specifying the modem is on top) to send/receive messages
--directions include: top, bottom, left, right, front and back
rednet.open("top")

--Sends a string message over rednet to computer 3 (this message specifically asks the server for all sellable items on ATM Machines)
rednet.send(3, "items please")

-- Receives a message from any sources sending a message to this computer (and/or broadcasting to all computers in range)
-- rednet.Recieve() will return an id and a message sent to the computer
-- (parameter tells rednet to wait 5 seconds? (tick? I am pretty sure its seconds), if no response will return nil, if no parameter is specified it will infinitely wait)
id, itemlist = rednet.recieve(5)