Question
Can the “id” property in the Insights collection for the Meta Ads (Facebook Ads) source be used to match or join to an existing user in the identifies table in Segment?
Product
Segment Cloud Sources
Environment
Segment Console
Answer
No, the “id” property in the Insights collection for the Meta Ads source is a Segment internal identifier. It is not related to Meta (Facebook) user, ad, or campaign IDs and cannot be used to match or join to user records in your identifies tables.