{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ServerMessageTransferUpdate",
  "title": "ServerMessageTransferUpdate",
  "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"
        },
        {
          "$ref": "#/components/schemas/CreateTelnyxPhoneNumberDTO",
          "title": "TelnyxPhoneNumber"
        }
      ]
    },
    "type": {
      "type": "string",
      "description": "This is the type of the message. \"transfer-update\" is sent whenever a transfer happens.",
      "enum": [
        "transfer-update"
      ]
    },
    "destination": {
      "description": "This is the destination of the transfer.",
      "oneOf": [
        {
          "$ref": "#/components/schemas/TransferDestinationAssistant",
          "title": "Assistant"
        },
        {
          "$ref": "#/components/schemas/TransferDestinationNumber",
          "title": "Number"
        },
        {
          "$ref": "#/components/schemas/TransferDestinationSip",
          "title": "Sip"
        }
      ]
    },
    "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": [
        {
          "$ref": "#/components/schemas/Chat"
        }
      ]
    },
    "toAssistant": {
      "description": "This is the assistant that the call is being transferred to. This is only sent if `destination.type` is \"assistant\".",
      "allOf": [
        {
          "$ref": "#/components/schemas/CreateAssistantDTO"
        }
      ]
    },
    "fromAssistant": {
      "description": "This is the assistant that the call is being transferred from. This is only sent if `destination.type` is \"assistant\".",
      "allOf": [
        {
          "$ref": "#/components/schemas/CreateAssistantDTO"
        }
      ]
    },
    "toStepRecord": {
      "type": "object",
      "description": "This is the step that the conversation moved to."
    },
    "fromStepRecord": {
      "type": "object",
      "description": "This is the step that the conversation moved from. ="
    }
  },
  "required": [
    "type"
  ]
}