Features used to implement the example

• Boolean condition and validator with math. date-time or text-string terms

Example: Block transition until all sub-tasks are in a specific status category

In this example, moving the parent current issue should only be moved to status "DONEDone" should only be possible when all sub-tasks are in status category "Done". Otherwise - otherwise the transition will not button should be displayedhidden.

For this the condition , a Boolean condition and validator with math. date-time or text-string terms is needed . It will be implemented on the parent issue's transitionon the transition to "Done" on the current issue (the parent).

The configuration will look like this:

Text Boolean expression to be parsed evaluated is: count(filterByPredicate(subtasks(), ^%{00144} != "Done")) = 0  

Note that:

• %{00144} is field code for field "Issue status category"

The After adding the condition. the issue cannot be transitioned as long as all there are sub-tasks that are not yet in status category "Done":

As soon as all sub-tasks are in status category "Done", the parent issue can be transitioned as well: