Change Content Author
Using this built-in script, you can change the author of Confluence content, like pages, blog posts, comments and attachments.
You can only change the original Created By author; the Page History and the Last Modified authors of the content are unmodified after this script runs.
Run the script
Follow these steps to run the built-in script:
Once you select Run, the Result of the script appears in a bulleted lists letting you know what was updated.
Example
Let's say your product team had a brainstorming week in a particular space, called Development Planning (spacekey is DP). During a refinement meeting, the team decided what ideas would be put on the roadmap and labelled them with product_roadmap. Now, you want your tech lead to be assigned to all of those different pages, blogs, and attachments with that label. Follow these steps to change the original content author:
Each page in the Development Planning space that was labeled as the product_roadmap are now assigned to the tech_lead as the original content author, no matter who they were created by.