Lovelace: Button card

Hi Mates,
my card sometimes does not update:

button_card_templates:
  roomcard:
    variables:
      temp_entity: null
      humi_entity: null
      setTemp_entity: null
      valve_entity: null
      window_open_entity: null
      lights_on_entity: null
    group_expand: true
    triggers_update: >-
      [[[ 
        const res = [variables.temp_entity, variables.humi_entity,
      variables.setTemp_entity, variables.valve_entity,
      variables.window_open_entity, variables.lights_on_entity].filter(i =>
      !!i); console.log(res); return res; ]]]

So the question is: Is templating in triggers_update not supported?

The lights_on_entitiy ist mostly a group a lights.


**Solved**

The return value of triggers_update can not handle arrays so

     triggers_update:
      - '[[[ return variables.temp_entity ]]]'
      - '[[[ return variables.humi_entity ]]]'

does work