Please consider implementing the use case you are looking for using a LivePage.
This wiki page consists of two sections:
- Sorted Summary of all assignees
- Assigned Work Items of each user
- Stop Polarion server
- Extract GetSortedListofAssignedUser.zip to <Polarion Installation>/polarion/extensions
- Start Polarion Server
- Create Wiki-Page “Assignee Overview” in space of your choice in the project and paste content of Assignee_Overview.txt into the page.