Hierarchy of Party Role in Report

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Hello experts,

I wonder if there is a possibility to define a hierarchical presentation of party roles and their corresponding party in reports.

In my case I created a report showing opportunities with the related party roles and parties. Now I want to display them hierarchical, that only the first role is displayed (all others initially collapsed) and all other ones can be expanded.

Is there such a possibility?

Best regards,
Patric