get lights that are on

This block is part of the globals group and was last modified in core v15.0.0.

get lights that are on array v15.0.0

Returns every light currently switched on.

In pins 1 + flow

flow v15.0.0
flow
room v15.0.0
value

Out pins 2 + flow

flow v15.0.0
flow
devices v15.0.0
array
count v15.0.0
number

Reads the registry for adopted devices of type light whose power state is known AND true. Lights whose state is unknown are excluded : see get active sensors for the same reasoning. Pair with array_map + light off for a 'everything off' flow.

zigbee

zwave

matter

thread

hue

smart home

get lights that are on reads the in-memory device registry, so it makes no network call and is cheap enough to run in a loop. It returns only lights whose power state is KNOWN and true: a lamp the node has not heard from since it started is left out rather than assumed off. The count pin feeds > and branch, which is the shape of "if anything is still on, do something about it".

Used in these guides

These documentation pages use or explain this block:

Action Reference

Version history

Introduced in v15.0.0.

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