Gates › Control Flow › Change Detector (Array/Map)

Change Detector (Array/Map)

Expression (pure) Control Flow 1 in 1 out ⬚ 1x1

Fires an execution output on the update after the connected array or map is changed in any way, such as an element being added, removed or set.

Diagram

Ports drawn from the source data: inputs left, outputs right, config inside.

How it's used

Structural overview — derived from this gate's ports, not from tested behavior. Takes 1 wire input: Container Ref (any). Produces 1 output: On Changed (exec).

No curated example for this gate yet. The shape above is accurate (from the inventory); what it does in practice should be confirmed in-game.

Technical details — ports, config & source

Wire inputs

Wires you feed into the gate.

Display name	Type	Tooltip
Container Ref (ContainerRef)	any	No tooltip in source

Wire outputs

Wires the gate produces.

Display name	Type	Tooltip
On Changed (OnChanged)	exec	No tooltip in source

Source details

Brick asset: B_1x1_Gate_Expr_ContainerChangeDetector
Component class: BrickComponentType_Expr_ContainerChangeDetector
Kind: expr
Family: ContainerChangeDetector
Search tags: array map list container collection watch changed modified detector event
Half size: 5 × 5 × 2

From logic_gate_inventory.simple.json @ 9660107. Documented behavior, not independently tested.