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Using a post function, you can modify your checklist after a workflow transition occurs. By adding conditions that use JQL queries, you configure the post function so that modifications are only made if the issue has particular properties.
For example, you could configure the post function so that when an issue is created, items are created in the checklist based on the value of another field. In this example, we’ll only be adding a “Release notes written” item to the checklist if the “Task Type” custom field has the “Programmer” option selected.