Yes, Identity Graph supports multiple external IDs.
Identity Graph automatically collects a rich set of external IDs without any additional code:
Device level IDs (ex:
Device token IDs (ex:
User level IDs (ex:
Common external IDs (
Cross domain analytics IDs (
If you want Identity Graph to operate on a different custom ID, you can pass it in using
context.external_id on an
track(). If you’re interested in this feature, please reach out to your CSM to discuss the best way to implement this feature.