IfcRel*
Relationships
Token category anchored to the IFC 4.3 IfcRel* entity backbone.
Designers and BIM operators consume these tokens when authoring elements
in the Relationships family for Woodfine projects.
IFCIfcRel*categoryRelationshipscode overlays0 registered
Category bundle
The full token bundle for the Relationships category, in DTCG format. Consume directly
via GET /tokens.json for the workspace-wide bundle, or filter by
category programmatically.
Show DTCG JSON bundle
{
"$description": "BIM RELATIONSHIPS token category — anchored to IFC 4.3 IfcRel* relationship entities. Sub-agent A renamed 'Connections' to 'Relationships' to better match IFC vocabulary.",
"$schema": "https://design-tokens.github.io/community-group/format/",
"bim": {
"relationships": {
"aggregates": {
"$type": "bim.relationship",
"$value": {
"description": "Hierarchical decomposition. IfcSite aggregates IfcBuilding, IfcBuilding aggregates IfcBuildingStorey, IfcStair aggregates IfcStairFlight + IfcRailing.",
"ifc_class": "IfcRelAggregates"
}
},
"associates_classification": {
"$type": "bim.relationship",
"$value": {
"description": "Element ↔ classification system link. Uniclass / OmniClass / MasterFormat references attach via this relationship.",
"ifc_class": "IfcRelAssociatesClassification"
}
},
"associates_material": {
"$type": "bim.relationship",
"$value": {
"description": "Element ↔ material set link. The doorway through which service-materials joins service-buildings at runtime.",
"ifc_class": "IfcRelAssociatesMaterial"
}
},
"connects_path_elements": {
"$type": "bim.relationship",
"$value": {
"description": "Wall-to-wall corner connectivity. Linear-element junction relationships.",
"ifc_class": "IfcRelConnectsPathElements"
}
},
"contained_in_spatial_structure": {
"$type": "bim.relationship",
"$value": {
"description": "Element-to-spatial-container link. The most common relationship — every element belongs to exactly one spatial container (typically an IfcBuildingStorey).",
"ifc_class": "IfcRelContainedInSpatialStructure"
}
},
"defines_by_properties": {
"$type": "bim.relationship",
"$value": {
"description": "Element ↔ Pset_* property set link. The carrier of all per-element property data.",
"ifc_class": "IfcRelDefinesByProperties"
}
},
"fills_element": {
"$type": "bim.relationship",
"$value": {
"description": "Door/window filling its host wall opening. Authoritative parent-child linkage for openings.",
"ifc_class": "IfcRelFillsElement"
}
},
"voids_element": {
"$type": "bim.relationship",
"$value": {
"description": "Opening element subtraction relationship. The parent of fills_element.",
"ifc_class": "IfcRelVoidsElement"
}
}
}
}
}