Input Boolean Automation Doesn't work

Configuration
1

I have what I believe is very simple automation. I have a helper input boolean which is set through a toggle switch on the dashboard and I want to switch on a plug based on that input boolean. The Yaml for the automation is below and when I run the automation, the plug switches on but the automation is never triggered by the input boolean. Can anyone suggest what I’m doing wrong?

alias: Someone Comes Home

description: ''
trigger:
  - platform: state
    entity_id:
      - input_boolean.someone_home
    to: 'On'
condition: []
action:
  - type: turn_on
    device_id: 5446093d2e5896ceee8bcaf2a3b8ebe9
    entity_id: switch.smart_plug_coffee_machine_on_off
    domain: switch
mode: single
2

An input_boolean’s state values are represented in lowercase.

Replace this:

    to: 'On'

with this:

    to: 'on'
3

@123 I feel very stupid now - yes that was it and thank you!