Have you tried filtering specific Klaviyo campaigns; however, they don't appear on the list? You can now refresh the list to see all available campaigns during the selected date range.

Step 1: Double-check if your date range in the report matches your source to ensure that the campaign appears on the list in the filter. Also, make sure that the Campaign report type is selected here:

Step 2: Click the Choose button under the Select Campaign and try looking for the needed campaign by typing the name in the search bar. If the campaign doesn't appear, please click on the Refresh icon here: