--- module: [kind=event] modem_message --- <!-- SPDX-FileCopyrightText: 2021 The CC: Tweaked Developers SPDX-License-Identifier: MPL-2.0 --> The @{modem_message} event is fired when a message is received on an open channel on any @{modem}. ## Return Values 1. @{string}: The event name. 2. @{string}: The side of the modem that received the message. 3. @{number}: The channel that the message was sent on. 4. @{number}: The reply channel set by the sender. 5. @{any}: The message as sent by the sender. 6. <span class="type">@{number}|@{nil}</span>: The distance between the sender and the receiver in blocks, or @{nil} if the message was sent between dimensions. ## Example Wraps a @{modem} peripheral, opens channel 0 for listening, and prints all received messages. ```lua local modem = peripheral.find("modem") or error("No modem attached", 0) modem.open(0) while true do local event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message") print(("Message received on side %s on channel %d (reply to %d) from %f blocks away with message %s"):format( side, channel, replyChannel, distance, tostring(message) )) end ```