Understanding how to add custom button to Universal Remote Card

Configuration Frontend
15

I’d suggest using scripts for those actions

An example script

alias: Volume Down
sequence:
  - data: {}
    action: media_player.volume_down
    target:
      device_id:
        - 00000000000000000000000000
mode: single

For the card

You’ll need to add the buttons that reference the scripts under custom_actions

custom_actions:
  - type: button
    name: v-down
    icon: mdi:volume-minus
    tap_action:
      action: toggle
      target:
        entity_id: script.volume_down
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