Notification(s) and message templating

Feature Requests
1
  1. Looks like it’s not possible to template a message, so please vote if you would like this feature (or tell me how to do it). The code below does not work.
- alias: Log file size notification
  initial_state: 'on'
  trigger:
    platform: numeric_state
    entity_id: sensor.homeassistantlog, sensor.ozw_logtxt
    above: 15
  action:
    - service: notify.me
      data_template:
        title: 'HA - Warning'
        message: >-
           {% if states('sensor.homeassistantlog') > 15 %} 
              HA Log file size increasing
          {% elif states('sensor.ozw_logtxt') > 15 %}
             Z-Wave log file size increasing
           {% endif %}
  1. Sending messages to more than one notification service is also not possible. This would be helpful, so the same messages can be delivered without creating a lot of different groups…
      action:
        - service: notify.me, persistent_notification.create
          data_template:
            title: 'HA - Warning'
            message: 'Log file size increasing'