ChatGPT · Schema

ChatCompletionAssistantMessage

AgentsAIChatGPTEmbeddingsFine-TuningGPT-4GPT-5Language ModelOpenAIRealtime

Properties

Name	Type	Description
role	string	The role of the message author.
content	string	The contents of the assistant message.
tool_calls	array	The tool calls generated by the model.
refusal	string	The refusal message generated by the model.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "ChatCompletionAssistantMessage",
  "type": "object",
  "properties": {
    "role": {
      "type": "string",
      "description": "The role of the message author."
    },
    "content": {
      "type": "string",
      "description": "The contents of the assistant message."
    },
    "tool_calls": {
      "type": "array",
      "description": "The tool calls generated by the model."
    },
    "refusal": {
      "type": "string",
      "description": "The refusal message generated by the model."
    }
  }
}