Query a Rule Triggering Condition

Function

This API is used by an application to query the configuration of a specific rule triggering condition on the IoT platform.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

URI

GET /v5/iot/{project_id}/routing-rule/rules/{rule_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Parameter description: project ID. For details about how to obtain the project ID, see Obtaining a Project ID.
rule_id	Yes	String	Parameter description: ID of the rule triggering condition. Value: The value can contain a maximum of 36 characters. Only letters, digits, underscores (_), and hyphens (-) are allowed.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	No	String	Parameter description: user token. You can obtain the token by calling the IAM API Obtaining a User Token Through Password Authentication. X-Subject-Token in the response header returned by the API is the desired user token. For details about how to obtain the token, see Token Authentication.
Instance-Id	No	String	Parameter description: instance ID. This parameter is required only when the API is called from the management plane in the physical multi-tenant scenario. You can log in to the IoTDA console and choose Overview in the navigation pane to view the instance ID.

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
rule_id	String	Unique ID of a rule triggering condition. The value is allocated by the platform during rule triggering condition creation.
rule_name	String	Custom rule name.
description	String	Custom rule description.
subject	RoutingRuleSubject object	Resource change event.
app_type	String	Application scope of the tenant rule. Options: GLOBAL: The rule takes effect for all resources under the tenant. APP: The rule takes effect for resources in a resource space.
app_id	String	Resource space ID.
select	String	Custom SQL select statement. The value can contain up to 2500 characters. This parameter is used only by users of the Standard and Enterprise editions.
where	String	Custom SQL where statement. The value can contain up to 2500 characters. This parameter is used only by users of the Standard and Enterprise editions.
active	Boolean	Whether the rule triggering condition is activated.

**Table 4** RoutingRuleSubject
Parameter	Type	Description
resource	String	Parameter description: resource name. Options: device: device. device.property: device property. device.message: device message. device.message.status: device message status. device.status: device status. batchtask: batch task. product: product. device.command.status: asynchronous command status of the device.
event	String	Parameter description: resource event. Value: The value range varies by resource type. event must be associated with resource. The mapping between event and resource is as follows: device maps to create (device addition). device maps to delete (device deletion). device maps to update (device data change). device.status maps to update (device status change). device.property maps to report (device property reporting). device.message maps to report (device message reporting). device.message.status maps to update (device message status change). batchtask maps to update (batch task status change). product maps to create (product addition). product maps to delete (product deletion). product maps to update (product update). device.command.status maps to update (update of the device asynchronous command status).

Example Requests

Queries details about a specified rule.

GET https://{endpoint}/v5/iot/{project_id}/routing-rule/rules/{rule_id}

Example Responses

Status code: 200

{
  "rule_id" : "5bcaddda-75bf-4623-8c8d-26175c41fcca",
  "rule_name" : "rulename",
  "description" : "description",
  "subject" : {
    "resource" : "device",
    "event" : "create"
  },
  "app_type" : "GLOBAL",
  "app_id" : "1a7ffc5cd89c44dd8265b1653d951ce0",
  "select" : "*",
  "where" : "product_id='d89c-44dd-8265-b1653d951ce0'",
  "active" : false
}