Use case

This calculated field returns the number of sub-tasks, which are open (in status category To Do or In Progress).


Create a new Calculated Number Field (by JWT) custom field and name it properly.

Providing a description will help you to identify what the custom field does but this step is optional

Parser expression

Add the following expression:

Math expression for Calculated Number field:
count(filterByPredicate(subtasks(), ^%{issue.statusCategory} = "To Do" OR ^%{issue.statusCategory} = "In Progress"))
more info...
  • The ^ is used for referencing the seed field values of the issue list - in this case, subtasks(). Without, the the function would refer to the current issue.

To achieve this, the following functions are used:

Add the field to the relevant view screens.

Remember: All calculated fields are read-only and cannot be manually updated on a create or edit screen.

Check the results

Once configured and added to an issue screen (a parent issue ), the result will look like this:

If you still have questions, feel free to refer to our support team.