Core: HTML5 Push - Templates doesn't work in data/image

[MateEke]

Home Assistant release with the issue:
0.100.1

Last working Home Assistant release (if known):

Operating environment (Hass.io/Docker/Windows/etc.):
Official docker image

Integration:
html5

Description of problem:
Templates doesn't work in data/images
For example this doesn't work (I checked the .jpg, it exists):

  - data:
      data:
        image: /local/cam_captures/living_room_{{ now ().year }}_{{ now ().month }}_{{
          now ().day }}_{{ now ().hour }}_{{ now ().minute }}.jpg
    service: notify.html5

But this works:

  - data:
      data:
        image: /local/cam_captures/living_room_2019_10_10_21_15.jpg
    service: notify.html5

If I send this template in the message it shows correctly.

Problem-relevant configuration.yaml entries and (fill out even if it seems unimportant):

- id: '1558384749729'
  alias: Motion while nobody is at home
  trigger:
  - entity_id: binary_sensor.living_room_motion
    platform: state
    to: 'on'
  - entity_id: binary_sensor.living_room_camera_motion
    platform: state
    to: 'on'
  condition:
  - condition: state
    entity_id: group.all_persons
    state: not_home
  action:
  - data:
      entity_id: camera.foscam_camera
      filename: /config/www/cam_captures/living_room_{{ now ().year }}_{{ now ().month
        }}_{{ now ().day }}_{{ now ().hour }}_{{ now ().minute }}.jpg
    service: camera.snapshot
  - data:
      data:
        image: /local/cam_captures/living_room_{{ now ().year }}_{{ now ().month }}_{{
          now ().day }}_{{ now ().hour }}_{{ now ().minute }}.jpg
        priority: high
        tag: motion
        ttl: 86400
      message: Motion detected, but nobody is at home!
      title: Motion!
    service: notify.html5

[probot-home-assistant[bot]]

Hey there @robbiet480, mind taking a look at this issue as its been labeled with a integration (html5) you are listed as a codeowner for? Thanks!

[bieniu]

@MateEke You have to use data_template not data. Look here. Issue should be closed.