Hard coded Function Calling Parameter

Using the “hallucination” of the AI to use the example written in the description, you can probably make it to supply a fixed value. I made a sample function and tested several times and it always gives the same value. I added default but I don’t think it is actually handled.

    "name": "turn_on_light",
    "description": "Turn on light bulb using iOT device",
    "parameters": {
      "type": "object",
      "properties": {
        "metadata": {
          "type": "string",
          "description": "Fixed value metadata, e.g. /api/route/123",
          "default": "/api/route/123"
      "required": [