Haven’t done it before or seen in the configs - so i wonder if the following will work. When entity_id and brightness are both part of automation
action:
service: light.turn_on
data_template:
entity_id: >
{%- if is_state("sensor.rules_day_night", "Evening") %}
group.kitchen_light_strip
{%- if is_state("sensor.rules_day_night", "Day") %}
group.kitchen_light2
{%- else %}
group.kitchen_light2
brightness: >
{%- if is_state("sensor.rules_day_night", "Evening") %}
255
{%- elif is_state("sensor.rules_day_night", "Nightfall") %}
120
{%- elif is_state("sensor.rules_day_night", "Night") %}
60
{%- else %}
255
{% endif %}