ChatMessage

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ChatMessage",
  "title": "ChatMessage",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier for the message.",
      "example": "abc123"
    },
    "body": {
      "type": "object",
      "properties": {
        "contentType": {
          "type": "string",
          "description": "The content type of the body (e.g., text, html)."
        },
        "content": {
          "type": "string",
          "description": "The text content of the Copilot response."
        }
      },
      "example": "example_value"
    },
    "citations": {
      "type": "array",
      "description": "Sources referenced in the Copilot response.",
      "items": {
        "type": "object",
        "properties": {
          "title": {
            "type": "string",
            "description": "The title of the cited source."
          },
          "url": {
            "type": "string",
            "format": "uri",
            "description": "The URL of the cited source."
          },
          "snippet": {
            "type": "string",
            "description": "A relevant snippet from the cited source."
          }
        }
      },
      "example": []
    },
    "createdDateTime": {
      "type": "string",
      "format": "date-time",
      "description": "The timestamp when the message was created.",
      "example": "2026-01-15T10:30:00Z"
    }
  }
}