How to enter Sub-task certain data before its created?

[Anton Hapieiev]

How can I customize sub-task creation in a similar way as usual Story/Task? 

Basically, by tapping on the "create sub-task" I want to open a modal window where I'll be able to prefill needed data (assignee, estimate, description etc). 

[Earl McCutcheon]

Hi Anton,

I am not aware of a method to pre populate values into a field in Jira Cloud, there are methods in Jira Server using Scripting tools like "Power Scripts for Jira" and "ScriptRunner", (EXE here) but the script injection functionality to accomplish this in the cloud platform is blocked by the platforms Restricted Functions, as it can be easily abused by malicious actors on the Cloud platform.

However there are options to add values on the post functions of a Sub-Task create action, so that the fields will be added during the create action but not repopulated on the initial create screen,  Examples are covered in the following KB article and previous community post describing a few options:

• How to Automatically Map Fields of a Parent Ticket to a New Sub-Task in JIRA Cloud
• https://community.atlassian.com/t5/Jira-questions/How-to-prefill-a-subtask-field-with-info-from-parent/qaq-p/207996

Regards,
Earl

[Anton Hapieiev]

Hi Earl, thank you for your reply!

Actually, by switching off "Jira Labs" layout my issue was resolved. In a classic mode I'm able to create sub-task in a needed way. 

[Angélica Luz]

Hi Anton,

Welcome to Atlassian Community!
Currently, when using the New issue view, the create screen does not appear when creating a sub-task.

There is a feature request suggesting the implementation of this ability:

- https://jira.atlassian.com/browse/JRACLOUD-70066

Please, click on vote and watch in order to hear about updates on the development cycle.

Regards,
Angélica