Using a Timer Trigger

Prerequisites

You have created a function. For details, see Creating a Function from Scratch.

Creating a Timer 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.
   Figure 1 Creating a trigger
   

4. Set the following parameters:
   • Trigger Type: Select Timer.
   • Timer Name: Enter a timer name, for example, Timer.
   • Rule: Set a fixed rate or a cron expression.
     • Fixed rate: The function is triggered at a fixed rate of minutes, hours, or days. You can set a fixed rate from 1 to 60 minutes, 1 to 24 hours, or 1 to 30 days.
     • Cron expression: The function is triggered based on a complex rule. For example, you can set a function to be executed at 08:30:00 from Monday to Friday. For more information, see Appendix: Cron Expressions for a Function Timer Trigger.
   • Enable Trigger: Choose whether to enable the timer trigger.
   • Additional Information: The additional information you configure will be put into the user_event field of the timer event source.

5. Click OK.

Viewing the Execution Result

After the timer trigger is created, the function is executed every 1 minute. To view the function running logs, perform the following steps:

1. Log in to the FunctionGraph console. In the navigation pane, choose Functions > Function List.
2. Click a function to go to the function details page.
3. Choose Monitoring > Logs to query function running logs.