Custom reports are shown in the Reports menu in a sub-menu for the repository they are defined in.
In the left pane, select the repositories, categories, models and versions that you wish to be included in this report.
Selecting a checkbox in the tree will automatically drill down the tree from that point, selecting all of its checkboxes. |
Click 
to export the report to CSV.
In the dialog that follows, change the File Name if required and click Save.