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Use case
In the following use case, we will be able to transition an Epic only when every issue under that Epic is resolved. If that condition is met, the validator will allow us to transition the Epic.
Configuration
Add the Logical validator to the desired transition.
Expression
Enter the following parser expression
%{issue.issueType} = "Epic" IMPLIES count(filterByResolution(issuesUnderEpic(), "")) = 0
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Related use cases
If you still have questions, feel free to refer to our support team.