API Reference > imodeljs-backend > Relationships

Relationships

Classes that describe the relationships between elements.

Classes

Name Description  
CategoryOwnsSubCategories Relates a parent Category to SubCategory child elements.  
DefinitionGroupGroupsDefinitions Relates a DefinitionGroup to its DefinitionElement members.  
DrawingGraphicRepresentsElement Relates a DrawingGraphic to the Element that it represents  
ElementDrivesElement A Relationship where one Element drives another Element Beta
ElementEncapsulatesElements Relates a parent Element to child Elements which represent hidden parts of the Entity.  
ElementGroupsMembers An ElementRefersToElements relationship where one Element groups a set of other Elements.  
ElementOwnsChildElements Relates a parent Element to child Elements which represent parts of the Entity modeled by the parent Element.  
ElementOwnsExternalSourceAspects Relates an Element and an ExternalSourceAspect that it owns.  
ElementOwnsMultiAspects Relates an Element and an ElementMultiAspect that it owns.  
ElementOwnsUniqueAspect Relates an Element and an ElementUniqueAspect that it owns.  
ElementRefersToElements A Relationship where one Element refers to another Element  
GeometricElement2dHasTypeDefinition Relates a GeometricElement2d to its TypeDefinitionElement  
GeometricElement3dHasTypeDefinition Relates a GeometricElement3d to its TypeDefinitionElement  
GraphicalElement2dIsOfType Relates a GraphicalElement2d to its GraphicalType2d  
GraphicalElement3dRepresentsElement Relates a GraphicalElement3d to the Element that it represents  
GroupImpartsToMembers Represents group membership where the group Element (and its properties) impart information about the member Elements above mere membership.  
PhysicalElementAssemblesElements Relates a parent PhysicalElement to PhysicalElement children that it assembles.  
PhysicalElementIsOfPhysicalMaterial Relates a PhysicalElement to its PhysicalMaterial  
PhysicalElementIsOfType Relates a PhysicalElement to its PhysicalType  
PhysicalTypeIsOfPhysicalMaterial Relates a PhysicalType to its PhysicalMaterial  
Relationship Base class for all link table ECRelationships  
Relationships Manages Relationships.  
RenderMaterialOwnsRenderMaterials Relates a parent RenderMaterial to RenderMaterial child elements.  
SpatialLocationIsOfType Relates a SpatialLocationElement to its SpatialLocationType  
SubjectOwnsPartitionElements Relates a parent Subject to InformationPartitionElement child elements.  
SubjectOwnsSubjects Relates a parent Subject to Subject child elements.  

Interfaces

Name Description  
ElementDrivesElementProps Properties that are common to all types of ElementDrivesElements Beta
ElementGroupsMembersProps Properties that are common to all types of link table ECRelationships  
RelationshipProps Properties that are common to all types of link table ECRelationships  
SourceAndTarget Specifies the source and target elements of a Relationship instance.  

Last Updated: 18 November, 2020