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Default identity matching properties in Pega 7.2 and later

The Interaction History association table provides the infrastructure for performing identity matching across channels and interactions. Identity matching enables the linking of multiple subject IDs that represent the same identity (the same customer). As a consequence, the results returned by interaction history for a particular subject ID include all records that represent this identity. Associations are set by the pySaveAssociation and pyDeleteAssociation activities. For the pair that consists of a subject ID and an associated ID, two records are created in the association table (one for the subject ID with the corresponding associated ID, the second for the associated ID with the corresponding subject ID).

The following properties are defined on the Data-Decision-IH-Association class.

Property Type Description



Observed ID to associate with the primary ID that is represented by the pySubjectID property. If a fact record is loaded by using identity matching, this property contains the subject ID for which interaction history was requested.



A numeric value that can be used to define the probability, relevance, or certainty of identity matching records.



A time stamp when the identity matching record was saved.



Subject ID for the record.

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