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.externalIds 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.