| Attribute | Type | Defined By |
|---|
| HasAssignments | SET OF IfcRelAssigns (ENTITY) | IfcObjectDefinition |
| Nests | SET OF IfcRelNests (ENTITY) | IfcObjectDefinition |
| IsNestedBy | SET OF IfcRelNests (ENTITY) | IfcObjectDefinition |
| HasContext | SET OF IfcRelDeclares (ENTITY) | IfcObjectDefinition |
| IsDecomposedBy | SET OF IfcRelAggregates (ENTITY) | IfcObjectDefinition |
| Decomposes | SET OF IfcRelAggregates (ENTITY) | IfcObjectDefinition |
| HasAssociations | SET OF IfcRelAssociates (ENTITY) | IfcObjectDefinition |
| IsDeclaredBy | SET OF IfcRelDefinesByObject (ENTITY) | IfcObject |
| Declares | SET OF IfcRelDefinesByObject (ENTITY) | IfcObject |
| IsTypedBy | SET OF IfcRelDefinesByType (ENTITY) | IfcObject |
| IsDefinedBy | SET OF IfcRelDefinesByProperties (ENTITY) | IfcObject |
| ReferencedBy | SET OF IfcRelAssignsToProduct (ENTITY) | IfcProduct |
| PositionedRelativeTo | SET OF IfcRelPositions (ENTITY) | IfcProduct |
| ReferencedInStructures | SET OF IfcRelReferencedInSpatialStructure (ENTITY) | IfcProduct |
| FillsVoids | SET OF IfcRelFillsElement (ENTITY) | IfcElement |
| ConnectedTo | SET OF IfcRelConnectsElements (ENTITY) | IfcElement |
| IsInterferedByElements | SET OF IfcRelInterferesElements (ENTITY) | IfcElement |
| InterferesElements | SET OF IfcRelInterferesElements (ENTITY) | IfcElement |
| HasProjections | SET OF IfcRelProjectsElement (ENTITY) | IfcElement |
| HasOpenings | SET OF IfcRelVoidsElement (ENTITY) | IfcElement |
| IsConnectionRealization | SET OF IfcRelConnectsWithRealizingElements (ENTITY) | IfcElement |
| ProvidesBoundaries | SET OF IfcRelSpaceBoundary (ENTITY) | IfcElement |
| ConnectedFrom | SET OF IfcRelConnectsElements (ENTITY) | IfcElement |
| ContainedInStructure | SET OF IfcRelContainedInSpatialStructure (ENTITY) | IfcElement |
| HasCoverings | SET OF IfcRelCoversBldgElements (ENTITY) | IfcElement |
| HasSurfaceFeatures | SET OF IfcRelAdheresToElement (ENTITY) | IfcElement |