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Use case
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Manual trigger
Create a new rule and name it appropriately.
Providing a description will help you to identify what the rule does but this step is optional.
Add a Trigger → Manual
No further configuration needed. The rule will only be executed if a user hits the Execute button .
JQL Selector
JQL Query*
Use the following Expression:
project = nnnnn and statusCategory = Done and resolution is empty
nnnnn has to be the project name.
The JQL can be fully adapted to your needs.
Update field action
Screencast
This is how the configuration above should look on your screen