1. Navigate to Lists > Saved Searches > New and select Transaction as the type.
2. Under the Criteria tab and Standard subtab add a filter called Promotion and in the pop up window select the types of promotion.
3. Under the Results tab, add a row called Promotion and next to it under the Summary Type column, select Group.
4. Under Results, add another row called Internal ID and under the Summary Type column select Count
5. Click Save & Run