Template Help! Zone Trigger

Configuration
1

Im after a little help to get this working - the automation is firing, but the alerts are not coming through as the data template is wrong. would love some help as dont know how to test this?

- id: travel-zone-enter
  alias: 'Travel: Alert on zone enter'
  trigger:
    - platform: zone
      entity_id: device_tracker.js_js,device_tracker.es_es
      zone: zone.home
      event: enter
    - platform: zone
      entity_id: device_tracker.js_js,device_tracker.es_es
      zone: zone.es_mum
      event: enter
    - platform: zone
      entity_id: device_tracker.js_js,device_tracker.es_es
      zone: zone.es_work
      event: enter
    - platform: zone
      entity_id: device_tracker.js_js,device_tracker.es_es
      zone: zone.shop
      event: enter
    - platform: zone
      entity_id: device_tracker.js_js,device_tracker.es_es
      zone: zone.supermarket
      event: enter
    - platform: zone
      entity_id: device_tracker.js_js,device_tracker.es_es
      zone: zone.supermarket_new
      event: enter
    - platform: zone
      entity_id: device_tracker.js_js,device_tracker.es_es
      zone: zone.work
      event: enter
  action:
    - service: notify.telegram
      data_template:
        title: 'Message'
        message: '{{ trigger.to_state.attributes.friendly_name }} entered {{trigger.zone}}'indent preformatted text by 4 spaces
2

This is the message

  message: '{{ trigger.to_state.attributes.friendly_name }} entered {{ trigger.zone.attributes.friendly_name }}'