...
Create a hierarchy named "Scrum Software Development" in the Smart Issue Templates app.
The hierarchy might have the Epic at the top with associated user stories like "Design", "Development", and "Testing". Beneath each user story, there could be more specific tasks or sub-tasks.
Setting up the Automation Rule in Jira:
...
Go to the Automation section of Jira.
Create a new “Apply Hierarchy after the new Epic Is Created” rule and set the trigger to "Issue Created".
Further click the “Rule details” button and refine the trigger to be specific to the "Scrum Software Development" project and save the details.
...