IFC 4.3.2.20250905 (IFC4X3_ADD2) under development

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4.1.1.1 Actor Assignment

Actors may have assignments indicating objects for which they have responsibility. An example of such assignment is a work order assigned to an organization.

The following diagram shows the generic classes and relationships used when applying this concept. In addition, concepts may have particular importance to common or standardised industry practices and scenarios. For these specific usage scenarios, the table below shows a recommended list of general usage patterns that users may adopt.

%3 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcActor.htm'>IfcActor</a> IfcActor 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. TheActor [1:1]      IsActingUpon [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a> IfcRelAssignsToActor 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1] Type 5. RelatedObjects [1:?] 6. RelatedObjectsType [0:1] 7. RelatingActor [1:1] 8. ActingRole [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcActor.htm'>IfcActor</a>:IsActingUpon1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a>:RelatingActor0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcControl.htm'>IfcControl</a> IfcControl 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. Identification [0:1]      Controls [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a>:RelatedObjects1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcControl.htm'>IfcControl</a>:HasAssignments0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcGroup.htm'>IfcGroup</a> IfcGroup 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?]      IsGroupedBy [0:?]      ReferencedInStructures [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a>:RelatedObjects1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcGroup.htm'>IfcGroup</a>:HasAssignments0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProduct.htm'>IfcProduct</a> IfcProduct 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. ObjectPlacement [0:1] 7. Representation [0:1]      ReferencedBy [0:?]      PositionedRelativeTo [0:?]      ReferencedInStructures [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a>:RelatedObjects1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProduct.htm'>IfcProduct</a>:HasAssignments0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProcess.htm'>IfcProcess</a> IfcProcess 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. Identification [0:1] 7. LongDescription [0:1]      IsPredecessorTo [0:?]      IsSuccessorFrom [0:?]      OperatesOn [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a>:RelatedObjects1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProcess.htm'>IfcProcess</a>:HasAssignments0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcResource.htm'>IfcResource</a> IfcResource 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. Identification [0:1] 7. LongDescription [0:1]      ResourceOf [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a>:RelatedObjects1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcResource.htm'>IfcResource</a>:HasAssignments0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcContext.htm'>IfcContext</a> IfcContext 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1] 6. LongName [0:1] 7. Phase [0:1] 8. RepresentationContexts [1:?] 9. UnitsInContext [0:1]      IsDefinedBy [0:?]      Declares [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToActor.htm'>IfcRelAssignsToActor</a>:RelatedObjects1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcContext.htm'>IfcContext</a>:HasAssignments0
Figure 4.1.1.1.A

General Usage

ApplicableEntity
Type
IfcRelAssignsToActor.RelatedObjects
IfcActor IfcControl
IfcActor IfcGroup
IfcActor IfcProcess
IfcActor IfcProduct
IfcActor IfcResource
IfcOccupant IfcSpatialStructureElement
Table 4.1.1.1.B

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