IoT Device Access (IoTDA) Trigger

Notes and Constraints

IoTDA triggers are available only in CN North-Beijing4, CN-Hong Kong, and AP-Bangkok. You can check whether the trigger type is supported on the console.

Prerequisites

• You have created a function.
• You have created an IoTDA instance. For details, see Buying an IoTDA Instance.
• You have created a resource space for the IoTDA instance. For details, see Creating a Resource Space.

Creating an IoTDA Trigger

1. Log in to the FunctionGraph console. In the navigation pane, choose Functions > Function List.
2. Click the function to be configured to go to the function details page.
3. Choose Configuration > Triggers and click Create Trigger.
4. Configure the following parameters.
   • Trigger Type: Select IoT Device Access (IoTDA).
   • Instance: Select the created IoTDA instance.
   • Data Source, Trigger, and Resource Space: For details, see Table 1.

     Table 1 Configuration

     Data Source	Trigger	Resource Space
     Device	Device added, Device deleted, Device updated	Select a resource space. Multiple resource spaces can be created and one of them is specified as the default resource space. Each account has only one default resource space, which cannot be deleted.
     Device property	Device property reported
     Device message	Device message reported
     Device message status	Device message status changed
     Device status	Device status changed
     Product	Product added, Product deleted, and Product updated
     Asynchronous command status of the device	Batch task status changed
     Run log	Log reported
     Batch task	Batch task status changed

5. Click OK.

Triggering the Function

1. Return to the FunctionGraph console. In the navigation pane, choose Functions > Function List.
2. Click the name of the function to be configured. The function details page is displayed.
3. On the function details page, select a version.
4. On the Code tab page, click Test. The Configure Test Event dialog box is displayed.
5. Set the parameters listed in Table 2 and click Create.

   Table 2 Test event information

   Parameter	Description
   Configure Test Event	You can choose to create a test event (default) or edit an existing one.
   Event Templates	Select Blank Template.
   Event Name	The event name can contain 1 to 25 characters and must start with a letter and end with a letter or digit. Only letters, digits, underscores (_), and hyphens (-) are allowed. For example, iotda-123test.
   Event data	{ "resource" : "device", "event" : "create", "event_time" : "20240919T011335Z", "event_time_ms" : "2024-09-19T01:13:35.854Z", "request_id" : "75127474-1a26-4578-8847-3128d6101954", "notify_data" : { "body" : { "app_id" : "3d40caf3ddfc4e83815b54b50f13aad7", "app_name" : "DefaultApp_6439vdv2", "device_id" : "66eb7a0ffa8d9c36870c6892_ttytytytytytyt", "node_id" : "ttytytytytytyt", "gateway_id" : "66eb7a0ffa8d9c36870c6892_ttytytytytytyt", "node_type" : "GATEWAY", "auth_info" : { "auth_type" : "SECRET", "secure_access" : false, "timeout" : 0 }, "product_id" : "66eb7a0ffa8d9c36870c6892", "product_name" : "test", "status" : "INACTIVE", "create_time" : "20240919T011335Z" } } }

6. Click Test. The function test result is displayed.

Helpful Links

Manage function triggers through APIs. For details, see Function Trigger APIs.