Follow the steps below in order to setuo the Approval Validation on Linked Issues validator on a workflow transition:
- Choose → Issues>Workflows → Services
- Edit the concerned workflow
- Select the concerned workflow transition
- Select the Validators tab
- Add Validator
- Check the option for the Approval Validation on Linked Issues
- Fill the parameters:
Issue Link Types: the Approval Conditions will be checked only on issues linked to current issue via the selected linked types
Message to show when validation fails: A custom message (optional) to show when the validator returns false. When it's not specified, a default message appears: You cannot transition this issue because the Approval Validator on linked issues is not yet satisfied
JQL filter for linked issues: the Approval Conditions will be checked only on the issues that satisfy the JQL filter
JQL filter for current issue: the validator will be checked only if the current issue satisfies the JQL filter.
Have a look at this link to see an example: How to block a workflow transition on linked issues depending by parent issue Approval status.