Your Zeevou User ID is the same as the Advertiser ID in the application you have already filled out for VRBO in the Property/Channel Manager Config.
In order to find the ID:
- Open the property.
- Click on Channel Manager Config and open it.
- Click on Map which is in front of VRBO.
- Click on the orange circle and then click on Edit.
- On the opened page, you can see the Advertiser ID.