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module: [kind=event] rednet_message
see: modem_message For raw modem messages sent outside of Rednet.
see: rednet.receive To wait for a Rednet message with an optional timeout and protocol filter.
The @{rednet_message} event is fired when a message is sent over Rednet.
This event is usually handled by @{rednet.receive}, but it can also be pulled manually.
@{rednet_message} events are sent by @{rednet.run} in the top-level coroutine in response to @{modem_message} events. A @{rednet_message} event is always preceded by a @{modem_message} event. They are generated inside CraftOS rather than being sent by the ComputerCraft machine.
Return Values
- @{string}: The event name.
- @{number}: The ID of the sending computer.
- @{any}: The message sent.
- @{string|nil}: The protocol of the message, if provided.
Example
Prints a message when one is sent:
while true do
local event, sender, message, protocol = os.pullEvent("rednet_message")
if protocol ~= nil then
print("Received message from " .. sender .. " with protocol " .. protocol .. " and message " .. tostring(message))
else
print("Received message from " .. sender .. " with message " .. tostring(message))
end
end