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Grid Redstone.png  Function rednet.announce
Only available prior to ComputerCraft 1.5; for later versions, see rednet.broadcast().

Broadcasts an empty rednet message. Note that its return value indicates whether that message was sent, as opposed to whether it was received or even receivable.
Syntax rednet.announce()
Returns boolean success
Part of ComputerCraft
API rednet


Grid paper.png  Example
Broadcasts an empty rednet message.

Grid disk.png Rednet API Functions - rednet.close - rednet.send - rednet.broadcast - rednet.receive - rednet.isOpen - - rednet.unhost - rednet.lookup