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Schedule Trigger automatically triggers the Digital Expert workflow based on a time schedule, which is suitable for unattended periodic tasks.

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Applicable scenarios

  • Generating daily reports, weekly reports, or inspection reports on schedule
  • Syncing external data on schedule and triggering downstream analysis
  • Running batch processing during off-peak hours

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Key configuration

Core configuration of Schedule Trigger includes:
  • enabled: whether enabled
  • cron: Cron expression (required)
  • task: default task text injected into the workflow (required)
Before publish, the workflow validates that cron is provided; if missing, validation fails.

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Runtime mechanism

  1. Publish phase:
    • Delete the old task with the same name first (to prevent duplicate registration).
    • Create and start a new task based on cron.
  2. Trigger execution phase:
    • When the scheduled task fires, inject task text into the workflow.
    • Let downstream Agent/tool/knowledge nodes continue processing.
  3. Stop phase:
    • Stop and remove the corresponding Cron task to release scheduler resources.

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Startup recovery strategy

Schedule Trigger uses bootstrap.mode = replay_publish:
  • After a system restart, it replays publish logic to restore scheduled tasks automatically.
  • This fits trigger scenarios that need to continue running after restart.