For Connection Type A, the Advertiser ID is the same as the Account Email. To locate it, log in to app.zeevou.com, go to Listings, and click on Manage Channels in the top right. Click on VRBO logo. Under Manage Vrbo Connection, in the Property Settings section, you can view the Advertiser ID in front of Account Email.
To locate your Advertiser ID for VRBO Mapping Type B, log in to app.zeevou.com, navigate to Listings, and select your desired listing. Click on Manage Channels, then the VRBO logo . Click on Edit. In the page, you will see the Advertiser ID.