3.4. MetadataΒΆ

Each entity type in CubicWeb has at least the following meta-data attributes and relations:

eid
entity’s identifier which is unique in an instance. We usually call this identifier eid for historical reason.
creation_date
Date and time of the creation of the entity.
modification_date
Date and time of the latest modification of an entity.
cwuri
Reference URL of the entity, which is not expected to change.
created_by
Relation to the users who has created the entity
owned_by
Relation to users whom the entity belongs; usually the creator but not necessary, and it could have multiple owners notably for permission control
is
Relation to the entity type of which type the entity is.
is_instance
Relation to the entity types of which type the entity is an instance of.

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