Help Center> ROMA Connect> Developer Guide> Developer Guide for Device Integration> MQTT Topic Specifications> Reporting Device Data
Reporting Device Data
Topic
| Topic | /v1/devices/{gatewayId}/datas |
|---|---|
| Publisher | Edge device |
| Subscriber | IoT platform |
Parameter Description
| Field | Mandatory/Optional | Type | Description |
|---|---|---|---|
| devices | Mandatory | DeviceS[] | Device data. |
DeviceS struct description
| Field | Mandatory/Optional | Type | Description |
| deviceId | Mandatory | String(256) | Unique device ID generated by the IoT platform, which corresponds to the device client ID. |
| services | Mandatory | List<Services> | Service list. |
Services struct description
| Field | Mandatory/Optional | Type | Description |
|---|---|---|---|
| serviceId | Mandatory | String(256) | Service ID. |
| data | Mandatory | ObjectNode | Service data. |
| eventTime | Mandatory | String(256) | Time. The format is yyyyMMdd'T'HHmmss'Z', for example, 20151212T121212Z. |
Example
{
"devices": [{
"deviceId": "D68NZxB4",
"services": [{
"data": {
"key": "value"
},
"eventTime": "20191023T173625Z",
"serviceId": "serviceName"
}]
}]
} Parent topic: MQTT Topic Specifications
Last Article: Response for Delivering a Command to a Device
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