CronTrigger
Cron Trigger – Start Workflows on a Schedule
Summary (SEO Meta Description):
The Cron Trigger in WeHub starts workflows on a recurring schedule using cron expressions.
Configure it to run workflows at fixed times, dates, or intervals.
Overview
The Cron Trigger is a standalone Trigger plugin that starts workflows automatically on a time-based schedule.
It uses cron expressions to define when the workflow should run.
This trigger is ideal for scheduled jobs, daily reports, batch processing, and time-based automation.
⚙️ Configuration Options
| Field | Type | Description |
|---|---|---|
| Label | String | Custom name for the trigger node. |
| Config | String (Cron Expression) | Defines the schedule in cron format (e.g., "0 0 * * *" for daily at midnight). |
⌨️ Cron Expression Format
A cron expression consists of five fields:
📝 Example Configurations
| Expression | Meaning |
|---|---|
0 * * * * | Run every hour at minute 0 |
0 0 * * * | Run daily at midnight |
0 9 * * 1-5 | Run every weekday at 9 AM |
*/15 * * * * | Run every 15 minutes |
0 0 1 * * | Run monthly at midnight on the 1st day |
0 0 * * 0 | Run every Sunday at midnight |
💡 Example Use Cases
- Healthcare → Trigger daily sync with hospital systems at midnight.
- Finance → Run end-of-day reconciliation jobs.
- Data Pipelines → Schedule ETL jobs every hour.
- Notifications → Send reminders or status updates at fixed times.
FAQ
Q: What timezone does the Cron Trigger use?
A: It uses the server’s default timezone unless configured otherwise.
Q: Can I run workflows every few seconds?
A: The minimum supported interval is once per minute.
Q: Does it support both standard and extended cron syntax?
A: Yes, you can use standard 5-field cron expressions and common shorthand values (@hourly, @daily, @weekly).
Keywords: WeHub Cron Trigger, Workflow Scheduling, Scheduled Workflow, Cron Expression, Time-based Automation