Human in the Loop
Pause workflow execution and wait for human input
hu
The Human in the Loop block pauses workflow execution at a specific point and waits for a human to review, approve, or provide input before continuing. This is essential for workflows that require human judgment, quality control, or compliance sign-off.
Use Cases
- Approval gates: Require manager approval before sending emails, making payments, or publishing content
- Content review: Let a human review AI-generated content before it goes live
- Data validation: Pause for a human to verify data accuracy before proceeding
- Escalation handling: Route complex cases to human agents when AI confidence is low
Configuration
| Parameter | Type | Description |
|---|---|---|
prompt | string | Message displayed to the reviewer explaining what action is needed |
timeout | number | Optional timeout in minutes before auto-proceeding or failing |
assignee | string | Optional user or role to assign the review to |
Notes
- Category:
blocks - Type:
human_in_the_loop