To filter data in preview mode, select the filter icon located in the pivot table for the attribute.

Clicking on the filter icon activates filter options in the left pane of the repository.

When accessing the filter pane, all elements included in the attribute are selected by default (see the figure above).
All the above-selected elements can be deselected with the Select all parameter. You can use the search field to find specific elements in the attribute.

Searching can be aggregated using the following options:
- Containing
- Beginning with
- Ending with