This rule allows you to replace the current checklist item(s) with a new item(s) when the issue transitions.
Limitations
If you are using Checklist for Jira ENTERPRISE , note that this rule will not respond to, and cannot replace items in Global Checklists. The rule uses the Checklist Text custom field. Global Checklists are not saved to the custom field and therefore cannot be referenced by the automation rule.
Modifications
This examples uses the Issue transitioned trigger. You can modify the rule to use another trigger such as Field value changed. Do not use the generic Issue updated trigger because when new checklist items are added, an “issue updated” event is sent by Jira which will make the automation rule run repeatedly.
Replace Checklist Items on Issue Transition
Ensure the Save local checklist items to Jira custom fields global setting is enabled.
Navigate to Project Settings > Automation (or Jira Settings > System > Automation rules).
Click Create rule.
Select the Issue transitioned trigger and the appropriate from and to statuses. Click Save.
Click New action and select Edit issue.
Select the Checklist Text field from the dropdown and provide the replacement, formatted, checklist items:
[] New list item one
Click Save.
Name the rule and click Turn it on.