Pass a payload in text format from button to a script

Configuration
1

I have some buttons that invoke a script:

type: button
tap_action:
  action: toggle
entity: script.accendi_plasmatv
icon: mdi:remote-tv

script:

accendi_plasmatv:
  alias: 'accendi plasma'
  sequence:
  - service: mqtt.publish
    data:
     topic: 'plasmatv/IrTX/IRSEND'
     payload: 'plasmatv'

I can do this from the button itself

tap_action:
      action: call-service
      service: mqtt.publish
      service_data:
        topic: plasmatv/IrTX/IRSEND
        payload: AumentaVol

But I really need a script Because it could be called eg. by alexa

my goal is pass a payload in text format from button to a script, each button has a different payload.

I suppose the script have something like:
payload: {{ button.value }}

{“value”:"{{payload}}"}

2

Have you tried setting your tap action up to call a script as a service with variables similar to how the docs describe in Passing Variables to Scripts?