> ## Documentation Index
> Fetch the complete documentation index at: https://docs.envole.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Message Events

Events acknowledging receipt of a message.

### `MESSAGE_RECEIVED`

Sent after the server accepts the user's message.

```json theme={null}
{
  "type": "MESSAGE_RECEIVED",
  "eventId": "evt_1",
  "threadId": "thread_456",
  "requestId": "req_1",
  "eventMessage": {
    "agent": null,
    "content": "Hi what can you do for me",
    "collaborationId": null,
    "activeAssistantCollaborationRequired": null,
    "toolExecutionApprovalRequest": null,
    "timestamp": "2025-08-12T00:00:00"
  }
}
```