Schema Central > NIEM 2.0 > IFC2X2_FINAL.xsd > ifc:IfcConstraintRelationship
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ifc:IfcConstraintRelationship

Element information

Content

Attributes

NameOccTypeDescriptionNotes
href [0..1]xsd:anyURIfrom type ex:Entity
ref [0..1]xsd:IDREFfrom type ex:Entity
proxy [0..1]xsd:IDREFfrom type ex:Entity
edo [0..1]xsd:anyURIfrom type ex:Entity
id [0..1]xsd:IDfrom group ex:instanceAttributes
path [0..1]xsd:NMTOKENSfrom group ex:instanceAttributes
pos [0..1]Anonymousfrom group ex:instanceAttributes

Used in

Substitution hierarchy

Sample instance

<ifc:IfcConstraintRelationship id="ID">
   <ifc:Name>normalizedString</ifc:Name>
   <ifc:Description>normalizedString</ifc:Description>
   <ifc:RelatingConstraint>
      <ifc:IfcMetric id="ID">
         <ifc:Name>normalizedString</ifc:Name>
         <ifc:Description>normalizedString</ifc:Description>
         <ifc:ConstraintGrade>hard</ifc:ConstraintGrade>
         <ifc:ConstraintSource>normalizedString</ifc:ConstraintSource>
         <ifc:CreatingActor>...
         </ifc:CreatingActor>
         <ifc:CreationTime>...
         </ifc:CreationTime>
         <ifc:UserDefinedGrade>normalizedString</ifc:UserDefinedGrade>
         <ifc:Benchmark>greaterthan</ifc:Benchmark>
         <ifc:ValueSource>normalizedString</ifc:ValueSource>
         <ifc:DataValue>...
         </ifc:DataValue>
      </ifc:IfcMetric>
   </ifc:RelatingConstraint>
   <ifc:RelatedConstraints>
      <ifc:IfcMetric id="ID">
         <ifc:Name>normalizedString</ifc:Name>
         <ifc:Description>normalizedString</ifc:Description>
         <ifc:ConstraintGrade>hard</ifc:ConstraintGrade>
         <ifc:ConstraintSource>normalizedString</ifc:ConstraintSource>
         <ifc:CreatingActor>...
         </ifc:CreatingActor>
         <ifc:CreationTime>...
         </ifc:CreationTime>
         <ifc:UserDefinedGrade>normalizedString</ifc:UserDefinedGrade>
         <ifc:Benchmark>greaterthan</ifc:Benchmark>
         <ifc:ValueSource>normalizedString</ifc:ValueSource>
         <ifc:DataValue>...
         </ifc:DataValue>
      </ifc:IfcMetric>
   </ifc:RelatedConstraints>
</ifc:IfcConstraintRelationship>

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