You can manually enable brand guidelines in PMax by using the CampaignService.EnablePMaxBrandGuidelines method in the Google Ads API. Here's how:
1. Ensure consistency: Make sure all asset groups in the campaign use the same BUSINESS_NAME, LOGO, and LANDSCAPE_LOGO.
2. Use the API method: Call CampaignService.EnablePMaxBrandGuidelines and include up to 10 campaign IDs per request.
3. Check the field: After enabling, verify the status using the Campaign.brand_guidelines_enabled field.
4. Update asset handling: Once enabled, save brand assets at the campaign level using CampaignAsset, not at the asset group level.
This ensures your campaign aligns with brand safety and consistency standards before the automatic rollout completes.
