A. Locate the campaign in the Manage Campaign section, navigate to the Campaigns workbook, and configure the filter in the Proofing section.

B. Go to the Data Sources section, select the Filters tab, and then select the campaign from the listing.

C. Navigate to the Program Designer, select the Testing tab, open the program that uses the campaign, and select the filter from the Program Settings.

D. Locate the campaign in the Manage Campaign section, navigate to the Campaigns workbook, and assign the filter in the Audiences section.

E. Navigate to the Program Designer, open the program that uses the campaign, and select the filter from the Program Settings.