1. From within the Profile Click Settings
2. Click on Locations & Integrations
3. Click on NCR POS
4. Click on pencil to configure
5. Add the promotion ID
If you don't know how to find this here is a guide https://help.streamorders.com/en/articles/11473055-creating-promotions-in-ncr-aloha-retrieving-the-promotion-id
6. Click on Configure for Each 3rd party you with to add promotion support
7. Click on an appropriate NCR Order type
8. Enter the promotion ID
9. Click on Save