HA heater automation help for Roy

roy_heater_ex2.yaml

alias: 'Proximity Heat Control'
description: Control heat based on Roy's proximity to home.
trigger:
  - platform: zone
    entity_id: device_tracker.roy
    zone: zone.the_in_between
    event: leave
action:
  - choose:
      - conditions:
          - condition: state
            entity_id: proximity.roy_home
            state: toward
            attribute: dir_of_travel
          - condition: state
            entity_id: binary_sensor.people_home
            state: 'off'
        sequence:
          - service: HOWEVER YOU TURN ON YOUR HEATER
      - conditions:
          - condition: state
            entity_id: binary_sensor.people_home
            state: 'off'
          - condition: state
            entity_id: proximity.roy_home
            state: away_from
            attribute: dir_of_travel
        sequence:
          - service: HOWEVER YOU TURN OFF YOUR HEATER
mode: single