Downstream messages are sent from the backend to the devices.
| Name | Type | Description | Notes |
|---|---|---|---|
| MessageId | string | [optional] | |
| CollectionId | string | [optional] | |
| DeviceId | string | [optional] | |
| GatewayId | string | [optional] | |
| CreatedTime | string | [optional] | |
| SentTime | string | [optional] | |
| Transport | MessageTransport | [optional] | |
| State | MessageState | [optional] | |
| Payload | byte[] | [optional] |