<xs:complexType name="IfcMaterialRelationship">
<xs:complexContent>
<xs:extension base="ifc:IfcResourceLevelRelationship">
<xs:sequence>
<xs:element name="RelatingMaterial" type="ifc:IfcMaterial" nillable="true"/>
<xs:element name="RelatedMaterials">
<xs:complexType>
<xs:sequence>
<xs:element ref="ifc:IfcMaterial" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute ref="ifc:itemType" fixed="ifc:IfcMaterial"/>
<xs:attribute ref="ifc:cType" fixed="set"/>
<xs:attribute ref="ifc:arraySize" use="optional"/>
</xs:complexType>
</xs:element>
</xs:sequence>
<xs:attribute name="Expression" type="ifc:IfcLabel" use="optional"/>
</xs:extension>
</xs:complexContent>
</xs:complexType> |