Vapi · Schema

ServerMessageModelOutput

AIVoiceAgentsRealtimeCPaaS

Properties

Name	Type	Description
phoneNumber	object	This is the phone number that the message is associated with.
type	string	This is the type of the message. "model-output" is sent as the model outputs tokens.
turnId	string	This is the unique identifier for the current LLM turn. All tokens from the same LLM response share the same turnId. Use this to group tokens and discard on interruption.
timestamp	number	This is the timestamp of the message.
artifact	object	This is a live version of the `call.artifact`. This matches what is stored on `call.artifact` after the call.
assistant	object	This is the assistant that the message is associated with.
customer	object	This is the customer that the message is associated with.
call	object	This is the call that the message is associated with.
chat	object	This is the chat object.
output	object	This is the output of the model. It can be a token or tool call.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ServerMessageModelOutput",
  "title": "ServerMessageModelOutput",
  "type": "object",
  "properties": {
    "phoneNumber": {
      "description": "This is the phone number that the message is associated with.",
      "oneOf": [
        {
          "$ref": "#/components/schemas/CreateByoPhoneNumberDTO",
          "title": "ByoPhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateTwilioPhoneNumberDTO",
          "title": "TwilioPhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateVonagePhoneNumberDTO",
          "title": "VonagePhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateVapiPhoneNumberDTO",
          "title": "VapiPhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateTelnyxPhoneNumberDTO",
          "title": "TelnyxPhoneNumber"
        }
      ]
    },
    "type": {
      "type": "string",
      "description": "This is the type of the message. \"model-output\" is sent as the model outputs tokens.",
      "enum": [
        "model-output"
      ]
    },
    "turnId": {
      "type": "string",
      "description": "This is the unique identifier for the current LLM turn. All tokens from the same\nLLM response share the same turnId. Use this to group tokens and discard on interruption."
    },
    "timestamp": {
      "type": "number",
      "description": "This is the timestamp of the message."
    },
    "artifact": {
      "description": "This is a live version of the `call.artifact`.\n\nThis matches what is stored on `call.artifact` after the call.",
      "allOf": [
        {
          "$ref": "#/components/schemas/Artifact"
        }
      ]
    },
    "assistant": {
      "description": "This is the assistant that the message is associated with.",
      "allOf": [
        {
          "$ref": "#/components/schemas/CreateAssistantDTO"
        }
      ]
    },
    "customer": {
      "description": "This is the customer that the message is associated with.",
      "allOf": [
        {
          "$ref": "#/components/schemas/CreateCustomerDTO"
        }
      ]
    },
    "call": {
      "description": "This is the call that the message is associated with.",
      "allOf": [
        {
          "$ref": "#/components/schemas/Call"
        }
      ]
    },
    "chat": {
      "description": "This is the chat object.",
      "allOf": [
        {
          "$ref": "#/components/schemas/Chat"
        }
      ]
    },
    "output": {
      "type": "object",
      "description": "This is the output of the model. It can be a token or tool call."
    }
  },
  "required": [
    "type",
    "output"
  ]
}