KeyRef 

Reference to a key defined in an external column set or code list.

Complex Type Information

Model

Annotation{0,1} , CanonicalUri{0,1} , CanonicalVersionUri , LocationUri*
Children: Annotation, CanonicalUri, CanonicalVersionUri, LocationUri

Attributes

QName Type Fixed Default Use Inheritable Annotation
ExternalRef xsd:token required 
Unique ID of the resource within the external document.
Id xsd:ID required 
Unique ID within the document for the resource.

Used By

Element KeyChoice/KeyRef

Source 

<xsd:complexType name="KeyRef">
  <xsd:annotation>
    <xsd:documentation>Reference to a key defined in an external column set or code list.</xsd:documentation>
  </xsd:annotation>
  <xsd:sequence>
    <xsd:element name="Annotation" minOccurs="0" type="Annotation">
      <xsd:annotation>
        <xsd:documentation>User annotation about the referenced key.</xsd:documentation>
      </xsd:annotation>
    </xsd:element>
    <xsd:group ref="IdentificationUriSet">
      <xsd:annotation>
        <xsd:documentation>Identification of the external column set or code list which contains the key definition.</xsd:documentation>
      </xsd:annotation>
    </xsd:group>
  </xsd:sequence>
  <xsd:attributeGroup ref="IdDefinition">
    <xsd:annotation>
      <xsd:documentation>ID which identifies the key within the document.</xsd:documentation>
    </xsd:annotation>
  </xsd:attributeGroup>
  <xsd:attributeGroup ref="ExternalReference">
    <xsd:annotation>
      <xsd:documentation>ID which identifies which identifies the key within the external column set or code list.</xsd:documentation>
    </xsd:annotation>
  </xsd:attributeGroup>
</xsd:complexType>