Sub-tasks creation for existing issue

Prepare the Template, enable Automation, and prepare the payload using Payload Builder:

1. Choose “Apply Templates” as the operation

2. Select “Create Children Only”

   

Create Automation Rule

1. Trigger: Work Item Transition

   1. From: In Progress

   2. To: Done

2. Condition applied: Issue Type equals “Story”

3. Action: Send Web Request

4. Use Web Request URL specified in the Template’s automation settings

5. HTTP method: POST

6. Web Request Body: Custom Data

7. Use Payload as Custom data copied from the Template’s automation settings

8. Save and Enable Automation Rule

   

   Code:
   

   {
     "operation": "apply-template",
     "issueId": "{{issue.id}}",
     "createChildrenOnly": true
   }
   

Test Automation Rule: once user story transitioned to “Done” - set of subtasks created 🎉