Anonymous and Known Profile Data

To join behavioral data to an anonymous user in Data Cloud, you must capture a profile event for the anonymous user first. If not, behavioral data isn’t available until a profile event is captured, for example login, and the anonymous user becomes known.

When using the recommended schema, you can use the identity event for this purpose. For example, the Web SDK assigns a new anonymousId to a customer and sends a blank identity event whenever the identifier is created or changes: