Overview
This article explains how to create a subtask if one does not already exist for the respective parent issue using the Create on Transition - Create Sub-task post function. You need to add a Post Function in your respective workflow associated with the parent issue.
Instructions
Steps to create a post-function for this scenario.
- Log into Jira system as a Jira Administrator and click
> Issues. - Under the Workflows section, select the workflow to click on Edit link.
- Now select the transition steps to add the post- function.
4. Click on Add Post Function link and then select Create Sub-task option. After this click on Add button.
5. Now add the below Post Function.
6. Click Update and publish the Workflow.
7. Re-run the scenario and you notice that the Sub-task will get created for the issue if it does not exist.
Add the above Post Function in your Dev/Staging environment first and then implement it in the Production environment.