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# Factorio Runtime Docs Version 2.0.77

# Signal - Runtime Docs

## Signal :: table

An actual signal transmitted by the network.

#### Table fields

signal | :: SignalID | ID of the signal.
ID of the signal.
count | :: int32 | Value of the signal.
Value of the signal.

Concept used in

- LuaCircuitNetwork::signals
- LuaCombinatorControlBehavior::signals_last_tick
- LuaEntity::get_signals()