Capture l'information quantitative associée à une contrainte de type objectif.
| Entité | Attributs |
|---|---|
| IfcConstraint | Name, Description, ConstraintGrade, ConstraintSource, CreatingActor, CreationTime, UserDefinedGrade, ClassifiedAs, RelatesConstraints, IsRelatedWith, PropertiesForConstraint, Aggregates, IsAggregatedIn |