How to configure a sensor so ALEXA can read its value

Configuration
1

Hey all,
I’m losing my mind here. The thing I thought will be the simplest is turning out to be the opposite.

Please, can someone tell me how to configure a sensor, so ALEXA can read its value? Not temperature or humidity sensor, simple, plain, counter.

My usage scenario:

  • I wrote a browser extension that downloads periodically website where my kid’s homeworks are assigned
  • I wrote a script to process the whole html and extract the data I need and export it as JSON
  • I use that JSON as source for my HA sensors

example:

command_line:
  - sensor:
      name: How much homework is there
      unique_id: a0c69-5d15-4b9a-a51f-21ed539ff41
      command: "jq '. | length' /config/www/school/homework.json"
      unit_of_measurement: ''
      scan_interval: 3600

What I want from Alexa is to access this sensor and read the data. So when I ask: “How much homework is there?” She responds: “There is X homeworks” or just simple number “X”

However I when I use empty unit_of_measurement alexa app won’t even find the sensor, when I use “homeworks” as unit_of_measurement it’s the same. When I use “unit_of_measurement: ℃” alexa app finds the sensor, but hey, shall I teach my wife to ask Alexa “What’s the temperature of how much homework is there?” :man_facepalming:

What are my options here?

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