| Name | Type | Description | Notes |
|---|---|---|---|
| messageId | String | Platform message ID (dm_event_id) | [optional] |
| conversationId | String | Platform conversation ID (dm_conversation_id). For WhatsApp, this is Zernio's internal conversation id (24-character hex) which matches the id returned by the list-conversations endpoint and the conversationId in the message.received and conversation.started webhooks; use it to correlate the created thread with inbound events. | [optional] |
| participantId | String | Twitter numeric user ID of the recipient | [optional] |
| participantName | String | Display name of the recipient | [optional] |
| participantUsername | String | Twitter username of the recipient | [optional] |