Using an SMN Trigger

Prerequisites

• You have created an SMN topic, for example, smn-test. For details, see section "Creating a Topic" in the Simple Message Notification User Guide.
• You have created a function on FunctionGraph. For details, see Creating and Initializing a Function.

Creating an SMN Trigger

1. Log in to the FunctionGraph console, and choose Functions > Function List in the navigation pane.
2. Click the HelloWorld function.
3. On the HelloWorld function details page, choose Configuration > Triggers.
4. Click Create Trigger.
5. Set the following parameters:
   • Trigger Type: Select Simple Message Notification (SMN).
   • Topic Name: Select a topic, for example, smn-test.

6. Click OK.
   

   After the SMN trigger is created, a subscription is generated for the corresponding topic on the SMN console.

Publishing a Message to Trigger the Function

On the SMN console, publish a message to the smn-test topic. For details, see section "Publishing a Text Message" in the Simple Message Notification User Guide.

Table 1 describes the parameters required for publishing a message. After the message is published, the function is automatically triggered.

Viewing the Execution Result

1. Log in to the FunctionGraph console, and choose Functions > Function List in the navigation pane.
2. Click the HelloWorld function.
3. On the function details page, choose Monitoring > Logs to view function logs.