| Name | Type | Description | Notes |
|---|---|---|---|
| id | string | Internal message ID | |
| conversation_id | string | Internal conversation ID | |
| platform | string | ||
| platform_message_id | string | Platform's message ID | |
| direction | string | ||
| text | string | Message text content | |
| attachments | \Zernio\Model\WebhookPayloadMessageSentMessageAttachmentsInner[] | ||
| sender | \Zernio\Model\WebhookPayloadMessageSentMessageSender | ||
| sent_at | \DateTime | ||
| is_read | bool | ||
| source | string | WhatsApp send origin. whatsapp_business_app when sent from the WhatsApp Business phone app on a Coexistence number; cloud_api when sent through Zernio (dashboard, API, or broadcasts). Absent on non-WhatsApp platforms. This is not the inbox metadata.source lineage field. | [optional] |