To set up YouTube First Position Ads in DV360 (Display & Video 360), follow these steps:
1. Go to Inventory > Marketplace in DV360.
2. Select YouTube from publisher profiles and click "Get an instant quote."
3. Enter advertiser, campaign details, and ad format (in-stream or Shorts).
4. Set policy restrictions and choose targeting options, including YouTube Select if applicable.
5. Configure budget, dates, and device targeting for your campaign.
6. Choose First Position targeting at the ad group level.
7. Review and accept the quote to reserve inventory.
This setup ensures your YouTube First Position Ads are booked correctly for maximum reach and engagement.