{
  "input": {
    "kbId": 123,
    "user_query": "Summarize the test handbook.",
    "history": [],
    "enable_reference": true,
    "external_knowledge_access": false,
    "chat_arg": {
      "temperature": 0.2,
      "max_tokens": 512
    },
    "kb_arg": {
      "retrieval_limit": 5,
      "retrieval_score": 0.5
    }
  }
}