Notifications - Im not sure what to even type

Configuration
1

I want to setup automation so that when my Water Leak Sensor group detects a leak that it can actually tell which water leak sensor in the group is activated in the message output of the notification?

2

What have you tried?

3

tried?? nothing, im not sure what to even type in HA community to find what I’m looking for. its a template I’m guessing but templating is still a struggle for me… any tips on what to search for??

4 
automation:
  - alias: 'Water Leak Notification'
    trigger:
      platform: state
      entity_id: group.binary_sensor.total_water_leak_group
      to: 'on'
    action:
      service: notify.notify
      data_template:
        message: 'The {{ trigger.to_state.name }} sensor is on.'
5

I doubt your group is called “group.binary_sensor.total_water_leak_group” because that’s not a valid entity_id. You need to get that sorted out first.

I took the liberty of guessing what the correct group id should be in the below code. If I was wrong then substitute the correct id.

so that said, try this:

    action:
      service: notify.notify
      data:
        message: >
          '{% set sensors_on =  expand('group.total_water_leak_group') | selectattr('state', 'eq', 'on') | map(attribute='attributes.friendly_name') | join(',') %}
           {% if expand('group.total_water_leak_group') | selectattr('state', 'eq', 'on') | list | count > 1 %}
              "The  {{ sensors_on |replace(',' , " and ") }} sensors are on.
            {% else %} 
               "The {{ sensors_on }} is on.
            {% endif %}
6

Thanks works a treat!!

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