A system unique identifier for the entity hosting the tour. Specifically, in aggregation systems, the Key is the system unique identifier from the system that the record was just retrieved. This may...2/3/2021
DefinitionA system unique identifier for the entity hosting the tour. Specifically, in aggregation systems, the Key is the system unique identifier from the system that the record was just retrieved. This may be identical to the related xxxId identifier, but the key is guaranteed unique for this record set.
