{
  "type": "object",
  "properties": {
    "message": {
      "type": "string",
      "description": "Required. The user's input for the model to respond to."
    },
    "stream": {
      "type": "boolean",
      "description": "Defaults to false. Set to true for a streamed response."
    },
    "model": {
      "type": "string",
      "description": "Optional. The model name (e.g., 'command-r-plus')."
    },
    "preamble": {
      "type": "string",
      "description": "Optional. Adds SYSTEM role preamble content at the start of the conversation."
    },
    "chat_history": {
      "type": "array",
      "description": "Optional. List of previous messages providing conversational context.",
      "items": {
        "type": "object",
        "properties": {
          "role": {
            "type": "string",
            "enum": ["USER", "CHATBOT", "SYSTEM"]
          },
          "message": {
            "type": "string",
            "description": "The content of the message."
          }
        },
        "required": ["role", "message"]
      }
    },
    "conversation_id": {
      "type": "string",
      "description": "Optional. A user-defined ID for persistent conversations."
    },
    "response_format": {
      "type": "object",
      "description": "Optional. Configuration for forcing the model to output JSON objects.",
      "properties": {
        "type": {
          "type": "string",
          "enum": ["json_object"],
          "description": "Specifies the output format."
        },
        "schema": {
          "type": "object",
          "description": "Optional. JSON schema that the output will adhere to."
        }
      }
    },
    "connectors": {
      "type": "array",
      "description": "Optional. List of connectors to enrich the response using RAG (Retrieval-Augmented Generation).",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "description": "The identifier of the connector."
          },
          "user_access_token": {
            "type": "string",
            "description": "Optional. User access token for connector authorization."
          }
        }
      }
    },
    "documents": {
      "type": "array",
      "description": "Optional. List of documents to provide citations for generating responses.",
      "items": {
        "type": "object",
        "properties": {
          "title": {
            "type": "string",
            "description": "Title of the document."
          },
          "text": {
            "type": "string",
            "description": "Main content of the document."
          }
        }
      }
    },
    "temperature": {
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "description": "Optional. Controls randomness in the model’s responses."
    },
    "max_tokens": {
      "type": "integer",
      "description": "Optional. Maximum number of tokens in the model's response."
    }
  },
  "required": ["message"]
}