Enhance your ad optimization by sending proprietary, non-standard data points, such as loyalty tiers or lead quality scores, to Meta. Use custom attributes to go beyond standard conversion fields to trigger more sophisticated ad delivery based on your unique business signals. By passing these bespoke attributes through the Meta Conversions API, you improve targeting precision and enrich your performance reporting.
Where: This feature is available in Data 360 in Developer, Enterprise, Performance, and Unlimited editions with an Ad Audiences license.
When: This feature is available starting in May 2026.
How: To add a custom attribute, map it to the appropriate Data Cloud Attribute when you map your data for activation.