'How to make custom filed required in JIRA?

When I Change the status in Jira cloud for Ready for retest, I want Defect category(Custom Filed) to be mandatory and with out filling it it should not allow me to Change the status from Fixed to Ready for Retest. Can some one please help how to achieve this?



Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source