To add a field into the date/time section, you don't need to do anything more than add a field that is of a type that panel draws into itself. Jira will do it automatically. So, either a date or a date/time field.
Making a field required is a separate thing - change the filed configuration for the project to make it mandatory.
Learn how to use two new reports for next-gen projects in Jira Cloud: Cumulative flow diagram and Sprint burndown chart. Ivan Teong, Product Manager, Jira Software, demos the Cumulative ...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events