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This feature allows limiting edit/view permissions of a Confluence page. You can implement it via a multi-user picker field in a synced Jira issue. E.g. a multi-user picker field is created named Page Editors. A Now, you can control edit permissions according to the following logic:
if "Page Editors" field is empty → the connected page is editable editable according to the page restrictions.
if "Page Editors" field is not empty and contains a current user → the connected page is editable by the mentioned user
if "Page Editors" field is not empty and does not contain a current user → connected page is not editable
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