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# Factorio Runtime Docs Version 2.0.7

## Class LuaCombinatorControlBehavior extends LuaControlBehavior abstract

## Members

get_signal_last_tick(signal) | → int? | Gets the value of a specific signal sent by this combinator behavior last tick or `nil` if the signal didn't exist.
Gets the value of a specific signal sent by this combinator behavior last tick or `nil` if the signal didn't exist.
signals_last_tick | :: R array[Signal] | The circuit network signals sent by this combinator last tick.
The circuit network signals sent by this combinator last tick.

Inherited from LuaControlBehavior

get_circuit_network(wire_connector_id) changed | → LuaCircuitNetwork? |
type | :: R defines.control_behavior.type | The concrete type of this control behavior.
The concrete type of this control behavior.
entity | :: R LuaEntity | The entity this control behavior belongs to.
The entity this control behavior belongs to.

## Methods

### get_signal_last_tick(signal) → int?

Gets the value of a specific signal sent by this combinator behavior last tick or `nil` if the signal didn't exist.

#### Parameters

signal | :: SignalID | The signal to get
The signal to get

## Attributes

### signals_last_tick :: Read array[Signal]

The circuit network signals sent by this combinator last tick.