{
  "model": "lightning-ai/gemma-4-31B-it",
  "messages": [
    {
      "role": "user",
      "content": "Call the `get_image` tool. In one short sentence: what is the dominant color of the image?"
    },
    {
      "role": "assistant",
      "content": "",
      "tool_calls": [
        {
          "id": "call_1",
          "type": "function",
          "function": {
            "name": "get_image",
            "arguments": "{}"
          }
        }
      ]
    },
    {
      "role": "tool",
      "tool_call_id": "call_1",
      "content": [
        {
          "type": "image_url",
          "image_url": {
            "url": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAIAAAAlC+aJAAAATElEQVR42u3PMQkAAAwDsPo33UnoPQjEQNL0tQgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgILAdBp+HSRtACMAAAAABJRU5ErkJggg=="
          }
        }
      ]
    }
  ],
  "tools": [
    {
      "type": "function",
      "function": {
        "name": "get_image",
        "description": "Returns an image.",
        "parameters": {
          "type": "object",
          "properties": {}
        }
      }
    }
  ],
  "temperature": 0,
  "max_tokens": 300,
  "stream": true,
  "stream_options": {
    "include_usage": true
  }
}