8.6.3.4 IfcDocumentInformationRelationship
8.6.3.4.1 Semantic definition
An IfcDocumentInformationRelationship is a relationship entity that enables a document to have the ability to reference other documents. It is used to describe relationships in which one document may reference one or more other sub documents or where a document is used as a replacement for another document (but where both the original and the replacing document need to be retained).
8.6.3.4.2 Entity inheritance
8.6.3.4.3 Attributes
| # | Attribute | Type | Description | 
|---|---|---|---|
| IfcResourceLevelRelationship (2) | |||
| 1 | Name | OPTIONAL IfcLabel | 
 A name used to identify or qualify the relationship.  | 
| 2 | Description | OPTIONAL IfcText | 
 A description that may apply additional information about the relationship.  | 
| Click to show 2 hidden inherited attributes Click to hide 2 inherited attributes | |||
| IfcDocumentInformationRelationship (3) | |||
| 3 | RelatingDocument | IfcDocumentInformation | 
 The document that acts as the parent, referencing or original document in a relationship.  | 
| 4 | RelatedDocuments | SET [1:?] OF IfcDocumentInformation | 
 The document that acts as the child, referenced or replacing document in a relationship.  | 
| 5 | RelationshipType | OPTIONAL IfcLabel | 
 Describes the type of relationship between documents. This could be sub-document, replacement etc. The interpretation has to be established in an application context.  | 
8.6.3.4.4 Formal representation
ENTITY IfcDocumentInformationRelationship
 SUBTYPE OF (IfcResourceLevelRelationship);
	RelatingDocument : IfcDocumentInformation;
	RelatedDocuments : SET [1:?] OF IfcDocumentInformation;
	RelationshipType : OPTIONAL IfcLabel;
END_ENTITY;