xs:defRef

for element, group and attributeGroup, which both define and reference

Attribute Group Information

Attributes

QName	Type	Fixed	Default	Use	Inheritable	Annotation
name	xs:NCName			optional
ref	xs:QName			optional

Used By

Complex Types

xs:attribute, xs:attributeGroup, xs:element, xs:group

Source

<xs:attributeGroup name="defRef">
  <xs:annotation>
    <xs:documentation>for element, group and attributeGroup, which both define and reference</xs:documentation>
  </xs:annotation>
  <xs:attribute name="name" type="xs:NCName"/>
  <xs:attribute name="ref" type="xs:QName"/>
</xs:attributeGroup>