WP Travel Pro provides the feature regarding adding a custom trip code for the trip. You can add your own custom trip code for the trip as per your requirement.
To add your own custom trip code, you have to enable the ‘Custom Trip Codes’ option by going to Admin Panel > WP Travel > Settings > Trip
For detail information regarding custom trip code, please refer to our official documentation.
Further, if you have any queries, please submit them to our Contact page.