B2B Source is a standard Experience Data Model (XDM) data type that represents a composite identifier for a B2B entity (such as an account, an opportunity, or a campaign).
When relying solely on string-based identifiers, there can be overlaps between IDs across multiple systems (for example, an opportunity could be given a string ID on one CRM system, but that same ID could refer to a completely different opportunity). This can result in data conflicts when merging data in Real-Time Customer Profile.
The B2B Source data type allows you to to use the original string ID of an entity and combine it with source-specific contextual information to ensure that it remains wholly unique in the Platform system regardless of the source it originated from.
||String||A unique ID for the source record.|
||String||The instance or organization ID of the source data.|
||String||A unique identifier composed of the
Some source connectors like Marketo concatenate this value automatically for certain identifiers. Others must be concatenated manually using the Data Prep
||String||The name of the platform that provides the source data.|
For more details on the data type, refer to the public XDM repository: