This is what I want to achieve:
How do I achieve this.?
I don't think that feature exist in JIRA. However you might be able to achieve similar outcome by setting the value on issue creation using workflow post function / validators. Have a look at workflow add-ons listed in marketplace.
There's also developer doc to write your own post function: https://developer.atlassian.com/static/connect/docs/latest/modules/jira/workflow-post-function.html (cloud hosting)
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