{
  "operationId": "copilot.chat.startConversation",
  "method": "POST",
  "path": "/copilot/chat/conversations",
  "summary": "Microsoft Copilot Start a Chat Conversation",
  "requestExamples": [
    {
      "contentType": "application/json",
      "name": "startConversation",
      "example": {
        "prompt": "What are the key highlights from last quarter's financial report?"
      }
    },
    {
      "contentType": "application/json",
      "name": "conversationWithOptions",
      "example": {
        "prompt": "Summarize the latest HR policy changes",
        "enableWebSearch": false
      }
    }
  ],
  "responseExamples": [
    {
      "status": "200",
      "contentType": "application/json",
      "name": "CopilotChatStartconversation200Example",
      "example": {
        "conversationId": "500123",
        "message": {
          "id": "abc123",
          "body": {
            "contentType": "example_value",
            "content": "example_value"
          },
          "citations": [
            {}
          ],
          "createdDateTime": "2026-01-15T10:30:00Z"
        }
      }
    }
  ]
}