Controlling android tablet brightness

I have two tablets - 1 android 12 the other a fire tablet 10 HD. I was wondering if there is way via HA to control the brightness on them. I don’t see any device controls to do this. I see a sensor for brightness but as far as I know sensor values can’t be changed - only monitored.

My desired goal is to create an automation to dim the screens at a set time each night.

  - alias: Set screen brightness level
      - service: notify.mobile_app_<your_device_id_here>
          message: "command_screen_brightness_level"
            command: 50
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Thank you - greatly appreciated!