Getting Popup Cards to Display on ALL Registered Browsers

I have an automation that popup up a warning message whenever the main garage door is open for more than 15 minutes after 10pm. The intent is to have this popup appear on various tablets running the companion HA app throughout the house, or for that matter, the web browsers during development.

Everything works great…but, only on one browser. I can’t get it to activate on the other browsers.

Can anyone guide me in the right direction?

Automation code below:

- id: '1683233377278'
  alias: Main Garage is Open for 15 mins After 10pm
  description: Popup card if Main Garage is open for more than 15 mins after 10pm
  trigger:
  - platform: state
    entity_id:
    - cover.main_garage
    from: closed
    to: open
    for:
      hours: 0
      minutes: 15
      seconds: 0
  condition:
  - condition: time
    after: '22:00:00'
  action:
  - service: browser_mod.popup
    data:
      dismissable: true
      title: ' ACTION NEEDED'
      size: normal
      content: '<font color=''orange'' size=''5''><b>WARNING:</b> <p><font color=''white''>Main
        Garage
        Door is still Open<p></font>
        '
  mode: single

Have you tried a simple test from Developer Tool → Services as described in the browser_mod readme?

Actually, I did. Now (for some bizarre reason), it started to work again. Can’t fathom this out, but will keep monitoring for a while.

Thanks for the response.

No worries. Glad it’s working.