{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ResponseRequestToolChoice",
  "title": "ResponseRequestToolChoice",
  "oneOf": [
    {
      "type": "string"
    },
    {
      "type": "object",
      "additionalProperties": {
        "description": "Any type"
      }
    }
  ],
  "description": "Tool choice policy: 'auto', 'none', 'required', or {'type': 'function', 'function': {'name': '...'}}"
}