Job selection - The filtered records will be matched with the entire database. Matched records - The entire database will be matched with the filtered records. This may take some time. Job selection & Matched records - Filtered records will only be matched with the filtered records.
Under 'Field' select 'Leads ID'
Under 'Expression' select 'In Campaign'
In the field value, enter the campaign name from which you want to get results only. This field works with suggestions.
This is an example of how a correctly filled Field, Expression, and Valuesshould look like: