Represents an entity (e.g. a person, a household, etc.) on which calculations can be run.
Represents an entity containing several others with different roles.
key – A key to identify the group entity.
plural – The
label – A summary description.
doc – A full description.
roles – The list of
Role of the group entity.
containing_entities – The list of keys of group entities whose members are guaranteed to be a superset of this group’s entities.
Changed in version 35.7.0: Added
containing_entities, that allows the defining of group
entities which entirely contain other group entities.