MQTT Template question - two mqtt light for a single dimmer switch

@d.lee wrote:

I have a dimmer switch for the light over my bathroom vanity and managed to get two different mqtt light entries in the configuration file. Is there a way for them to share the same state?

What my lovelace card looks like (Vanity is full dimmer capability while “nightlight toggle” only takes the Vanity lights to 5% brightness. That part works, but the dimmer does not indicate the lights are turned on when the nightlight is toggled (showing that light it on and dimmer is at 5%) and when the lights are turned off / dimmed to 5%. The toggle switch for the “Nightlight” however does toggle on when the dimmer is set and off when taken to 0.

I am guessing my issue lies in the payload_on and payload_off entries. I can hardcode these as set values in the nightlight part (since I only care about on/off being 5% brightness and 0%) but uncertain how to do this for the Bathroom Vanity since default (“on/off” is not recognized by the dimmer).

The dimmer switch is a GE enbrighten.

Overview_-_Home_Assistant878×236 14.1 KB

  - platform: mqtt
    name: "Bathroom Vanity"
    state_topic: "zwave/bathroom_vanity/38/1/0"
    state_value_template: "{{ '0' if value == '0' else '99' }}"
    command_topic: "zwave/bathroom_vanity/38/1/0/set"
    brightness_command_topic: "zwave/bathroom_vanity/38/1/0/set"
    brightness_scale: 99
    brightness_state_topic: "zwave/bathroom_vanity/38/1/0"
    on_command_type: "brightness"
    payload_on: "on"
    payload_off: "off"
    qos: 0
    optimistic: false 

  - platform: mqtt
    name: "Bathroom Nightlight"
    state_topic: 'zwave/bathroom_vanity/38/1/0'
    state_value_template: "{{ '0' if value == '0' else '5' }}"
    command_topic: 'zwave/bathroom_vanity/38/1/0/set'
    payload_on: '5'
    payload_off: '0'
    brightness_scale: 5
    brightness_state_topic: 'zwave/bathroom_vanity/38/1/0'
    brightness_command_topic: 'zwave/bathroom_vanity/38/1/0/set'
    on_command_type: 'brightness'

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