For filtering, clicking the button will drop down a list of filter options.
Here, you can filter by date, audience, or campaign. Once you set your filter(s), click the button to apply your filter(s).
To add and remove fields from the report output, click the button to see a list of available fields to add. To add a field to report, click the check box next to the field name. To remove a field, uncheck the checkbox next to a field name.
To export the report data to a CSV file, click the button.