Delivery Status
Indicates the Delivery Status
| Value | Description |
| DROPPED | Dropped Status. |
| DEFERRED | Deferred Status. |
| BOUNCED | Bounced Status. |
| REPORTED_AS_SPAM | Reported as spam Status. |
| UNSUBSCRIBED | Unsubscribed Status. |
| SENDING | Sending Status. |
| SENT | Sent Status. |
| DELIVERED | Delivered Status. |
| EMAIL_OPENED | Email opened Status. |
| LINK_OPENED | Link opened Status. |
| COMPLETED | Completed Status. |
| CREATED | Created Status. |