How to create trigger based sensor? How to avoid having "duplicate key" red messages, or other syntax error messages?

Configuration
1

I have a list of sensors and binary sensors in my template.yaml file.
Now I want to start playing with trigger-based sensors. But there is clearly something wrong on my file organization.

error
error1101×646 51.9 KB

I already have a list of sensors below the sensor key, starting with the activite_tracker_phone, etc.
Now, no matter what I try, there is always a red message when I try to create a trigger based sensor.

Can somebody please tell me how I should put it? I tried my best looking in the docs but with no success.

2

Which method are you using to include your new templates.yaml file into your configuration?

3

This is in my configuration.yaml file:

template: !include templates.yaml

4

With that method you should only need to add hyphens so that the YAML interpreter knows it’s looking at a list. You will need a new hyphen for every new trigger-sensor grouping and one for your state-based sensors:

- trigger:
    - platform: event
      event_type: "MY_CUSTOM_EVENT"
  sensor:
    - name: test_example
      state: hello

- trigger:
    - platform: state
      entity_id: sensor.test_example
  sensor:
    - name: test_example_2
      state: "{{ iif(trigger.to_state.state == 'hello', 'up', 'down') }}"

- sensor:
## All your state-based sensors can go here ##
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