ObjectIdType Field

objectidtype

InternetTracking Resource

A label that better defines the data in the ObjectID field (i.e., ObjectID is an MLS listing ID or ObjectID is a unique ID from the source).3/30/2017
DefinitionA label that better defines the data in the ObjectID field (i.e., ObjectID is an MLS listing ID or ObjectID is a unique ID from the source).
Standard ValueDefinitionUsage
ListingIdThe ObjectID is the MLS listing number.
ListingKeyThe object is a key field from an MLS system.
OpenHouseIdThe ObjectID is an open house ID.
OpenHouseKeyThe ObjectID is the key of an open house record.
ParcelNumberWhen no listing exists or the tracking is property-centric, the ObjectIdType of the property's parcel number is used.
SavedSearchKeyWhen the event is the execution of a saved search, the ObjectID will be the SavedSearchKey from the system that executed the search. Individual...
UniqueThe ObjectID is a unique ID supplied by the source and is not one of the other types.
UPIWhen no listing exists and the tracking is property-centric, the RESO Universal Property Identifier (UPI) is used.
Terms and DefinitionsGenerated June 15, 2026
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