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Use case
Prevent external users from creating issues by enabling the transition only if the word EXTERNAL is not in the display name of the current user with a Logical validator.
Configuration
Expression
Add the following expression:
!matches(toString(textOnStringList(toStringList(%{issue.cfaaaaa}), userDisplayName(%{seed.text}))), ".*\\bEXTERNAL.*")
Error message
Add an error message as the following one.
External users can not create tickets
Related use cases
If you still have questions, feel free to refer to our support team.