Delete Attributes¶
A device can publish a message to this topic to delete the attributes from the cloud.
Upstream
- Request TOPIC:
/sys/{productKey}/{deviceKey}/thing/attribute/delete - Reply TOPIC:
/sys/{productKey}/{deviceKey}/thing/attribute/delete_reply
Sample Request Format¶
{
"id": "123",
"version": "1.0",
"params": {
"attributes": ["attr1", "attr2", "attr3"]
},
"method": "thing.attribute.delete"
}
Sample Response Format¶
{
"id": "123",
"code": 200,
"data": {}
}
Request Parameter Description¶
| Parameter | Type | Mandatory/Optional | Description |
|---|---|---|---|
| id | String | Optional | The message ID. It is a reserved parameter that is reserved for future use. |
| version | String | Mandatory | The version of the protocol. The current version is 1.0. |
| params | List | Mandatory | The parameters used for deleting the attributes. |
| attributes | Array | Optional | The list of the device’s attributes’ identifiers. A request can carry a maximum of 200 attributes. When not specified, no attribute is deleted. |
| method | String | Mandatory | The request method. |
Response Parameter Description¶
| Parameter | Type | Mandatory/Optional | Description |
|---|---|---|---|
| code | Integer | Mandatory | The return code. “200” indicates that the requested operation is executed successfully. |
Return Code¶
| Return Code | Error Message | Explanation |
|---|---|---|
| 1209 | Attribute delete data format error | Invalid request format. |