---
title: "ChatCompletionResponseMessage"
url: "https://kongair.terwilligar.com/apis/openai-api-2-3-0/versions/ea92d048-c746-4ead-a6a8-da28d93137d1/schemas/ChatCompletionResponseMessage"
---

> Full API specification: https://kongair.terwilligar.com/apis/openai-api-2-3-0/versions/ea92d048-c746-4ead-a6a8-da28d93137d1.md

# ChatCompletionResponseMessage

A chat completion message generated by the model.

## OpenAPI definition

```yaml
openapi: 3.0.0
info:
  title: OpenAI API
  version: 2.3.0
servers:
  - url: https://api.openai.com/v1
components:
  schemas:
    ChatCompletionMessageToolCalls:
      type: array
      description: The tool calls generated by the model, such as function calls.
      items:
        $ref: "#/components/schemas/ChatCompletionMessageToolCall"
    ChatCompletionMessageToolCall:
      type: object
      properties:
        id:
          type: string
          description: The ID of the tool call.
        type:
          type: string
          enum:
            - function
          description: The type of the tool. Currently, only `function` is supported.
          x-stainless-const: true
        function:
          type: object
          description: The function that the model called.
          properties:
            name:
              type: string
              description: The name of the function to call.
            arguments:
              type: string
              description: The arguments to call the function with, as generated by the model
                in JSON format. Note that the model does not always generate
                valid JSON, and may hallucinate parameters not defined by your
                function schema. Validate the arguments in your code before
                calling your function.
          required:
            - name
            - arguments
      required:
        - id
        - type
        - function
    ChatCompletionResponseMessage:
      type: object
      description: A chat completion message generated by the model.
      properties:
        content:
          type: string
          description: The contents of the message.
          nullable: true
        refusal:
          type: string
          description: The refusal message generated by the model.
          nullable: true
        tool_calls:
          $ref: "#/components/schemas/ChatCompletionMessageToolCalls"
        role:
          type: string
          enum:
            - assistant
          description: The role of the author of this message.
          x-stainless-const: true
        function_call:
          type: object
          deprecated: true
          description: Deprecated and replaced by `tool_calls`. The name and arguments of
            a function that should be called, as generated by the model.
          properties:
            arguments:
              type: string
              description: The arguments to call the function with, as generated by the model
                in JSON format. Note that the model does not always generate
                valid JSON, and may hallucinate parameters not defined by your
                function schema. Validate the arguments in your code before
                calling your function.
            name:
              type: string
              description: The name of the function to call.
          required:
            - name
            - arguments
        audio:
          type: object
          nullable: true
          description: >
            If the audio output modality is requested, this object contains data

            about the audio response from the model. [Learn
            more](/docs/guides/audio).
          x-oaiExpandable: true
          required:
            - id
            - expires_at
            - data
            - transcript
          properties:
            id:
              type: string
              description: Unique identifier for this audio response.
            expires_at:
              type: integer
              description: >
                The Unix timestamp (in seconds) for when this audio response
                will

                no longer be accessible on the server for use in multi-turn

                conversations.
            data:
              type: string
              description: |
                Base64 encoded audio bytes generated by the model, in the format
                specified in the request.
            transcript:
              type: string
              description: Transcript of the audio generated by the model.
      required:
        - role
        - content
        - refusal
```