Navigate to the "Retrieve" step, update the SOQL query to filter and preview the source data:
SELECT CaseNumber, Subject, Type, Priority, Origin, Status, CreatedDate, LastModifiedDate, Account.Name, Contact.Name, TYPEOF Owner WHEN User THEN Name ELSE Name END FROM Case WHERE CreatedDate = LAST_QUARTER AND IsClosed = FALSE AND Status = 'New' AND LastModifiedDate < LAST_N_DAYS:7 ORDER BY LastModifiedDate DESC NULLS LAST