Webhooks - entity update help

Configuration
1

Hello community,
I really need some help/advice on this problem. I have a Webhook call from platerecognizer containing the following data:

{"hook": {"target": "XXX", "id": 906, "event": "image.done"}, "data": {"processing_time": 28.196, "results": [{"box": {"xmin": 176, "ymin": 245, "xmax": 251, "ymax": 273}, "plate": "as6772", "region": {"code": "dk", "score": 0.046}, "score": 0.773, "candidates": [{"score": 0.773, "plate": "as6772"}, {"score": 0.705, "plate": "as67721"}, {"score": 0.676, "plate": "as3772"}, {"score": 0.65, "plate": "as6722"}, {"score": 0.622, "plate": "as37721"}, {"score": 0.6, "plate": "as67221"}, {"score": 0.553, "plate": "as3722"}, {"score": 0.517, "plate": "as37221"}], "dscore": 0.748, "vehicle": {"score": 0.605, "type": "Sedan", "box": {"xmin": 12, "ymin": 29, "xmax": 313, "ymax": 323}}}], "filename": "0702_MTBVi_upload.jpg", "version": 1, "camera_id": null, "timestamp": "2023-11-14T07:02:01.213Z"}}

I am attempting to extract information from the first spotted license plate and subsequently update a sensor with the information “plate”: “XXX”.

Next, I am attempting to save the image attached in the webhooks locally to a folder in Home Assistant.

I can successfully get Home Assistant to update an input_text sensor with a pre-defined value using the following automation. However, I am encountering difficulties in adapting it to work with the plate data received from the webhook:

  alias: "Opdater Anpr Sensor med Webhook"
  trigger:
    platform: webhook
    webhook_id: "XXX"
  action:
    - service: input_text.set_value
      target:
        entity_id: input_text.plate_value
      data:
        value: "XXXX"


Your guidance on how to incorporate the dynamic plate data into this automation would be greatly appreciated.
Thanks.
2

I’ve not worked with webhook triggers before, but looking at the docs, you should be able to do something like this:

       data:
         value: "{{ trigger.json['data']['results'][0]['plate'] }}"
3

Thank you it actually did work. Thank you so much! :slight_smile: Do you have any idea on how to process the attached image in the call?

4

I’m trying to do something similar but sending the plate number as a push notification. Doesn’t seem to be working though…

action:
  - service: notify.mobile_app_adams_iphone
    data:
     value: "{{ trigger.json['data']['results'][0]['plate'] }}"